23andMe is currently in crisis. The once-promising genetic testing company has experienced a significant downfall, with a 98% loss in its $6 billion value, the departure of all independent directors, a reduction in nearly half of its employees, and a decline in its customer base from 15 million. is urgently working to delete DNA data from its records. I am one of the affected individuals.
My journey with 23andMe began hesitantly in 2016 when I ordered their kit by mail. After some delay, I finally submitted my genetic sample for analysis. As a tech journalist, I am cautious about sharing data with companies, especially genetic information, which is immutable unlike passwords or credit card details.
The results revealed that I am 63% British and Irish, and 17% Danish, confirming my extensive northwestern European heritage. However, the absence of my supposed Czech lineage was surprising. With 23andMe’s uncertain future and concerns about the fate of user data, I reflect on the exchange of genetic privacy for such information.
Timothy Caulfield, a University of Alberta professor, notes that many individuals, like myself, experience ambivalence upon receiving genetic test results.
The concept of genetic testing to uncover ancestral roots and its implications on personal identity has always troubled me. Caulfield, who faced similar concerns with his own ancestry, argues that the notion of genetic influence on individual identity perpetuates racism.
Marketing strategies played a significant role in the success of companies like 23andMe. However, the impact of genetic testing results on one’s sense of identity can vary drastically, from affirming to challenging deeply held beliefs.
As 23andMe’s future remains uncertain, questions arise regarding the handling of existing user data. The ethical implications of genetic information extend beyond personal privacy to potentially compromising the privacy of relatives.
To safeguard my data, I opted to delete my account and requested a copy of my genetic information. However, concerns persist about the retention of such data by the company, especially in case of bankruptcy or ownership changes.
23andMe’s commitment to customer data protection is emphasized, with assurances of maintaining privacy standards even amidst financial instability.
Receiving my genetic data opened up new insights into my heritage, but the challenge lies in interpreting the vast amount of genomic information provided. Despite this, I have not taken any actions based on this data, as the complexity of genetic identity remains a source of ambivalence and uncertainty.
MArietje Schake is a former member of the European Parliament from the Netherlands. She currently serves as the Director of International Policy at the Stanford University Cyber Policy Center and an International Policy Fellow at Stanford University. Human Centered Artificial Intelligence Research Institute. The title of her new book is High-tech coup: How to save democracy from Silicon Valley.
What are the key differences between big technology companies and traditional big companies in terms of power and political influence?
The difference is the role these technology companies play in various aspects of people’s lives, including nation-states, economies, and geopolitics. Thus, although former monopolies had accumulated a lot of capital and important positions, they were usually in one sector, such as oil or automobile production. These technology companies are like octopuses with tentacles pointing in different directions. They have so much data, location data, search, communications, critical infrastructure that they can now combine all that power to build AI that we’ve never seen before. It’s very different from what we’ve seen.
Peter Kyle, UK Technology Secretary recently proposed The government is “Feeling humble”
with major technology companies treat them like a nation-state
. What do you think about that?
I think this is a baffling misunderstanding of the role of democratically elected and responsible leaders. Yes, these companies have become incredibly powerful. The comparison with the role of the state is therefore understandable. Because these companies are increasingly making decisions that were once the exclusive domain of states. But the answer, especially from governments on the rise, should be less about showing humility and more about reinforcing the primacy of democratic governance and oversight. What is needed is confidence on the part of democratic governments to ensure that these companies and services are playing their proper role within, and not overtaking, a system based on the rule of law.
What impact do you think the inauguration of President Donald Trump will have?
The election of Donald Trump changes everything. Because he has brought certain technology interests closer together than any previous political leader, especially in the United States, a powerful geopolitical and technological hub. There are many cryptocurrencies that support Trump. There are many VCs [venture capitalists] And, of course, he promoted Elon Musk and announced an agenda of deregulation. Every step his administration takes will be influenced by these factors, whether it’s the personal interests of Elon Musk and his companies or the personal preferences of the president and his supporters. On the other hand, Musk is actually critical of some of the dynamics surrounding AI, namely the existential risks. We’ll have to wait and see how long the honeymoon between him and Trump lasts, and how other big tech companies react. Because they’re not happy that Mr. Musk dictates technology policy more than his competitors. I think there will be difficult times ahead.
Why have politicians taken such a casual approach in the face of the digital technology revolution?
All of the most powerful companies we see today are based on this kind of progressive, liberal trend of the California counterculture, a few guys in shorts writing code in their basements and garages, and superpowers. It was rooted in a romantic story about challenging the world. Publishers of media companies, hotel branches, taxi companies, financial services, etc. had a pretty bad reputation from the beginning. There was certainly room for chaos, but this kind of underdog spirit was incredibly powerful. Both companies have done a really smart job of framing what they’re doing as decentralization, much like the Internet itself. Companies like Google and Facebook have consistently argued that any regulatory action would harm the internet. So it’s a combination of wanting to believe in promises and not understanding how very narrow corporate interests were won at the expense of the public interest.
Are any major politicians prepared to stand up to big tech interests? well someone likes [US senator] Elizabeth Warren has the clearest vision of excessive power and abuse by corporations, including the technology industry. She has consistently tried to address this issue. But broadly speaking, I worry that political leaders are not taking this the way they should. There is not much vision in the European Commission. I’ve seen elections, including in my own country, where technology was not a topic at all. We also see comments like this from the UK government, and it may seem logical to have democratic guardrails around overly powerful companies.
Are politicians held back by technological ignorance?
Yes, I think they are threatened. But I also believe that the framework for government agencies is intentional by technology companies. It’s important to understand that how we are taught to think about technology is shaped by the technology companies themselves. And you get the whole narrative that the government is so stupid, so outdated, so poor in service delivery that it’s basically unqualified to deal with technology. The message is, if you can’t even process your taxes on time, what are you going to do with AI? This is a caricature of the government, and the government should not accept that caricature.
Do you think the UK’s position with big tech companies has weakened as a result of Brexit?
Yes and no. Australia and Canada have technology policies, but their numbers are smaller than the population of the UK. I don’t know if that’s the case. I think it’s actually a much more deliberate choice to want to attract investment. So maybe it’s just self-interest that goes beyond the Conservative and Labor governments. Because I expected changes, but I don’t see much change in technology policy. I was clearly too optimistic.
We are talking about the restoration of sovereignty. Do you think most people are aware? Does this mean that sovereignty has been lost?
One of the reasons I wrote this book was to reach the average news reader, not technology experts. It’s a tough job to explain that this is an issue that concerns people. It will be interesting to see how the impact of the Trump administration invites reactions not only from European leaders but also from other countries around the world who believe they cannot afford to rely on American tech companies. . That’s not what you want. Because, essentially, we’re sending euros and pounds to Silicon Valley, and what do we get in return? Even more dependence. As incredibly difficult as it is, things won’t get better if you do nothing.
Observing people around your local park, office, or city center, you will likely see many individuals using reusable water bottles. This trend has become a fashion statement and a social connector, in addition to being an environmentally conscious choice. According to NHS health guidelines, drinking 6-8 glasses of water per day from reusable bottles can reduce environmental impact by cutting down on single-use plastic consumption.
However, while using a water bottle is seen as a positive and healthy choice for the planet, there are hidden risks associated with not cleaning them properly. A study by WaterFilterGuru revealed that if water bottles are not cleaned regularly, they can harbor bacteria and mold on their surfaces, leading to potential health issues if consumed.
What is living in your water bottle?
Water, even from a kitchen faucet, is not sterile and can promote bacterial growth within a few days of filling a bottle. Storing water at room temperature can increase microbial growth, while refrigeration can help reduce the proliferation of microorganisms. Microorganisms in water bottles can come from the water itself, but most are transferred from the consumer’s body or surrounding environment.
Various microorganisms found in water bottles include skin and oral bacteria such as Staphylococcus and Streptococcus, which are normally harmless but can cause infections if ingested. Additionally, water bottles can harbor gut bacteria like Escherichia Coli, which can lead to gastrointestinal issues if consumed. Pregnant women, children, the elderly, and those with weakened immune systems are particularly vulnerable to illnesses caused by contaminated water.
The type of liquid used in water bottles also influences microbial growth, with sugary or nutrient-rich drinks creating an optimal environment for bacteria and mold. Even carbonated water, while having antibacterial properties, requires regular cleaning to prevent the accumulation of harmful pathogens.
How to clean a water bottle
Regular cleaning of reusable water bottles is essential to prevent the buildup of bacteria and mold. Washing the bottle with hot water and detergent, letting it soak, and ensuring complete drying can help maintain hygiene. For heavily soiled bottles, a vinegar-water solution can be used for deeper cleaning. It is recommended to clean bottles and accessories like lids and straws after each use or at least several times a week to avoid contamination.
While proper hygiene practices are important to prevent illness, our immune systems are resilient and have evolved to protect us from various pathogens. By maintaining cleanliness and regular cleaning routines, we can continue to enjoy the benefits of using reusable water bottles while staying healthy.
The Atlantic hurricane season officially ends Saturday.
The pattern of activity surprised forecasters. The season was busy early on, with strong storms occurring later in the season, but quiet during what is normally considered the peak period.
Climate change has most likely caused the observed storms to become more intense.
A bizarre and devastating hurricane season officially came to an end Saturday, and forecasters are looking into its many surprises.
Philip Klotzbach, a Colorado State University meteorologist who specializes in Atlantic hurricane forecasting, said, “Every year there are one or two things that bother me, but this year there were more than usual.” he said.
Most forecasters are predicting a very active hurricane season as early as April, and the National Oceanic and Atmospheric Administration has released its best forecast ever.
In the end, there were 18 named storms, 11 hurricanes, and 5 major hurricanes. Although this was at the low end of the range most forecasters expected, it was still above normal and a “very active” season.
What surprised researchers was how strange the season unfolded. It got off to a roaring start in June when Hurricane Beryl became the first Category 5 storm to be observed in the Atlantic Ocean. But from mid-August to early September, everything went quiet. The season typically reaches its peak around September 10th. But it was the first time since 1968 that no named storm formed during those weeks.
Just when researchers thought their predictions were wrong, storm activity picked up again and Hurricanes Helen and Milton struck, causing billions of dollars in damage.
Hurricane Milton made landfall in the Gulf of Mexico on October 8th. NOAA/NESDIS/Star
“The normal seasonal cycle has been reversed,” Klotzbach said. “What was striking to me was that it was like a switch was flipped, completely off, then completely on. For Helen, nothing happened, and for East Atlantic and Milton, The storm continued.”
Researchers are studying what causes this strange pattern to better understand the factors that cause hurricanes and improve future predictions.
Researchers predicted this spring's hurricane season would be busy and dangerous because of record-high ocean temperatures in the Atlantic Ocean and the possibility that La Niña, a pattern of natural fluctuations, could take hold. Ta. Ocean heat provides fuel for hurricanes and can intensify them faster. La Niña is associated with hurricanes because it often reduces atmospheric stability.
“Early on, we thought it was going to be our busiest season on record,” Klotzbach said.
Although ocean temperatures remained at or near record highs in the North Atlantic, La Niña events did not develop as strongly, said Matthew Rosen, chief hurricane forecaster at the NOAA Climate Prediction Center, a division of the National Weather Service. Krans said.
A combination of other factors most likely contributed to the alarming stagnation in activity.
Approximately 60% of hurricanes occur as a result of Africa's tropical monsoon season. draws moisture into an area called the Sahel. However, this year's monsoon developed elsewhere.
“The monsoon reached so far north and was so strong that it reached areas that hadn't had rain in 45 years,” Rosencrans said, adding that this change had weakened the development of tropical cyclones. Ta.
Rosencrans said another climate pattern, called the Madden-Julian Oscillation, a group of storms that pass near the equator, also likely contributed, with storm development slowing in early September and then later in the month. It is said that hurricanes are starting to occur.
Researchers will spend the winter examining which factors had the most influence through climate and weather models.
“This is an opportunity to learn, to observe systems and let the Earth teach us something new,” he said.
Despite a mid-season interruption due to a tropical storm, 2024 set several records. According to a review published by Klotzbach, five hurricanes have made landfall in the continental United States, tied for the second-highest number in history.
Destroyed and damaged buildings in the aftermath of Hurricane Helen's flooding in Batcave, North Carolina, on October 8. Tama Mario/Getty Images File On September 28, heavy rains from Hurricane Helen caused record flooding and damage in Asheville, North Carolina. Melissa Sue Gerrits/Getty Images File
Helen was the most powerful hurricane to hit Big Bend, Florida. Since September 25th, seven hurricanes have formed in the Atlantic Ocean, the most on record.
Hurricane Milton set a record for tornado warnings in Florida, spawning dozens of tornadoes.
Research suggests climate change has worsened Helen and Milton's symptoms. Both hurricanes underwent a rapid intensification process, with their sustained wind speeds increasing by at least 35 miles per hour over a 24-hour period. This trend is becoming more common as global temperatures rise.
Rosenkrans said research generally does not suggest that the number of named storms (winds of 39 miles per hour or more) will change with climate change. However, a larger proportion of named storms are expected to become hurricanes, with the majority of those hurricanes reaching Category 4 or 5. That was the case this year as well.
A dog chased a ball past me at full speed across the open fields of Seascale Beach, Cumbria. The beach is surrounded by a small park, rows of shops, and houses, with tall chimneys and large rectangular buildings visible on a vast industrial site as you walk north.
Close to Seascale Beach is the Sellafield complex, a 2 square mile nuclear facility located 5 km away. Sellafield is home to most of the UK’s radioactive nuclear waste and the world’s largest store of plutonium.
I visited Sellafield earlier this year to learn about the management of Britain’s nuclear waste. It was an eye-opening and expensive lesson in dealing with hazardous material with no clear plan.
Sellafield played a crucial role in producing plutonium during the Cold War. The current cleanup operation involves processing and storing spent nuclear fuel, cooling and stabilizing it, then storing it in silos covered with steel and concrete.
Initially, safe long-term storage was not a priority, leading to waste being disposed of from decades ago. The process of moving waste from dilapidated silos to more modern stores is ongoing.
Read More:
Meet the rebels building fusion reactors in your neighborhood
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A recent report by the National Board of Audit highlighted that Sellafield is still in the early stages of the cleanup mission, expected to last until 2125 with an estimated cost of £136bn, showcasing uncertainty about the exact tasks and timeline.
The plan for the most dangerous nuclear waste is to bury it deep underground in a geological disposal facility (GDF). Finding a suitable location involves not just solid rock but also a willing community.
Three communities are currently in discussion about building a GDF facility, with experts believing it to be the best option. Several countries are also working on similar facilities.
The complexity of site selection may delay the facility’s opening until the 2040s or 2050s, amidst a push for new nuclear power to reduce emissions and reach net zero.
As we navigate through the challenges of nuclear waste management, experts like Professor Claire Corkhill from the University of Bristol play a crucial role in advancing our understanding of radioactive waste.
About our expert Professor Claire Corkhill
Claire is Professor of Mineralogy and Radioactive Waste Management in the School of Earth Sciences at the University of Bristol.
Her work has been published in magazines material, nature, and ceramics.
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MIles, a 37-year-old NHS doctor from London, has been trying to convince friends to buy cryptocurrencies for years. In recent weeks, the “Trump pump” on crypto prices has made them envious. “They watched in frustration as my gamble paid off,” he says.
Despite cashing out around £600,000 to buy a house earlier this year, Miles’ crypto portfolio is now worth £2.3 million. Miles, who invested £4,000 in Bitcoin in 2012, said: ‘It’s defined my life. My pot fluctuates by hundreds of thousands every day and I’ve been through periods of volatility over the years.” he says.
A number of Miles told the Guardian why they became private investors in cryptocurrencies (regular people who buy digital blockchain currencies) and how their investments have paid off over time. I was one of ten people.
Investors see Donald Trump’s return to the White House as a harbinger of a crypto-friendly climate. Photo: Mark Humphrey/AP
Bitcoin’s price has fallen to $97,000 (76,500 sterling) and hit a new all-time high. The Financial Conduct Authority (FCA) has revealed that 12% of UK adults own cryptocurrencies.
The majority of respondents said they entered the crypto market within the past four years, with some using the extra funds they saved during the coronavirus lockdown to jumpstart their previous blockchain currency acquisition process. Some people also purchased coins via user-friendly apps and platforms.
A large number of middle-class respondents lost faith in the existing system and turned to cryptocurrencies in the hope that it would help them achieve life goals such as having children, buying a home, and traveling. He said that he aimed at
Julian, a 57-year-old draftsman, homeowner, and father of four from Nottingham, was one of several respondents who said they bought Bitcoin in anticipation of a spike in inflation.
During midwinter, under the right conditions, the polar sky can be transformed into a colorful spectacle by shimmering clouds.
These rainbow clouds, also known as “nacre clouds” due to their resemblance to iridescent shells, are an incredibly rare atmospheric phenomenon.
Scientifically referred to as “polar stratospheric clouds,” they exist at much higher altitudes in the atmosphere compared to typical clouds. While most clouds are found below 10 km above the Earth’s surface, rainbow clouds form in the lower stratosphere, between 15 and 25 km in altitude.
In the usually dry stratosphere, temperatures dropping below -80°C can cause sparse water molecules to form small ice crystals that eventually gather to create a cloud. These tiny ice crystals scatter sunlight, producing a dazzling rainbow effect and a pearlescent appearance.
Due to their high altitudes, the curvature of the Earth allows sunlight from below the horizon to hit and reflect off the underside of these clouds, illuminating them at dawn and dusk.
Rainbow clouds formed from pure water crystals are the thickest and most vivid, while those formed from air pollutants like nitric acid can result in thin, less impressive clouds. The latter type of cloud is associated with the degradation of the Antarctic ozone layer.
To witness rainbow clouds, consider visiting Antarctica during winter or look up at the sky around sunrise or sunset in parts of Norway, Sweden, Finland, Alaska, or even Scotland. These breathtaking phenomena are a result of unique atmospheric conditions.
This article addresses the question posed by Ollie Peterson via email: “What causes rainbow clouds?”
If you have any inquiries, please contact us at:questions@sciencefocus.comor reach out to us onFacebook,TwitterorInstagram(please include your name and location).
A recent study conducted by researchers at the University of Reading and the University of Durham has revealed that the increase in relative brain size, known as encephalization, during the seven million years of human evolution was a result of incremental changes within individual species.
Modern humans, Neanderthals, and other recent relatives on the human family tree evolved large brains much more rapidly than earlier species. Image credit: SINC / Jose Antonio Peñas.
“One of the most striking evolutionary changes in human evolution, closely linked to the unique cognitive and behavioral characteristics of humans, is the increase in brain size,” explained lead author Thomas Puschel and his colleagues.
“The question of encephalization in human evolution has been a topic of debate, with various studies comparing the brain capacities of different hominin species and exploring adaptive mechanisms that might have influenced differences in brain size among hominins. Our research proposes
“Some argue for a gradual growth pattern over time, while others suggest a pattern of rapid increases followed by periods of stagnation.”
“Certain studies support a combination of both models, while others claim that they are indistinguishable.”
In their recent study, the authors compiled the largest dataset of ancient human fossils spanning seven million years and utilized advanced computational and statistical methods to identify gaps in the fossil record.
These innovative approaches have provided the most comprehensive understanding to date of the evolution of brain size over time.
“This study has completely altered our perception of how the human brain evolved,” noted study co-author Professor Chris Venditti.
“Previously, it was believed that brain size varied significantly between species, like upgrading to newer computer models.”
“However, our study reveals a pattern of steady, incremental ‘software updates’ occurring within each species over millions of years.”
This study challenges the traditional notion that certain species, such as Neanderthals, remained unchanged and were unable to adapt, suggesting instead that the increase in brain size was a gradual and continuous driving force in evolution. It underscores the significance of changes.
“Major evolutionary shifts do not always require dramatic events,” Pushel stated.
“They can result from making small incremental improvements over time, akin to the learning and adaptation processes observed today.”
The researchers also identified a notable pattern: larger-bodied species tend to have larger brains, but the variation observed within individual species does not consistently correlate with body size.
Hence, the evolution of brain size over long evolutionary timescales spanning millions of years has been influenced by factors distinct from those observed within individual species, underscoring the complexities of evolutionary pressures on brain size. It’s remarkable.
“The reasons behind the evolution of large brains in humans are a key aspect of human evolution,” added study co-author Dr. Joanna Baker.
“Through analyzing the brain and body sizes of various species over millions of years, we have demonstrated that the characteristic large brains of humans primarily emerged through gradual changes within individual species. This became evident.”of study On November 26, 2024, Proceedings of the National Academy of Sciences.
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Thomas A. Puschel others. 2024. The increase in human brain size was revealed by intraspecific encephalization. PNAS 121 (49): e2409542121;doi: 10.1073/pnas.2409542121
There are no signs of population stratification in the Linear Pottery Culture (LBK) communities that first spread agriculture across much of Europe, according to a new study led by scientists at the University of Vienna and Harvard University. He said he couldn’t see it.
The manual labor of prehistoric central European women was more demanding than the rowing of today’s boat crews.
“The expansion of agriculture in Central Europe occurred in the 6th millennium BC,” said Dr. Pere Gelabert of the University of Vienna and colleagues.
“Within a few generations, Balkan farmers expanded down the Danube Valley into what is now France and eastward into what is now Hungary and Ukraine.”
“The cultural footprint of peasants is homogeneous across this region, which spans thousands of kilometers, but the lack of genetic data from multiple families makes it difficult to understand whether these communities lived on social equality. It has become difficult to assess which individuals have migrated and migrated across continents. “
In the study, Dr. Gelabert and co-authors sequenced and analyzed the genomes of 250 LBK individuals and other extensive datasets.
“The LBK people expanded over hundreds of kilometers in just a few generations,” Dr. Gelabert said.
“We found distant relatives in Slovakia and others in western Germany, more than 500 miles away.”
“In this study, we report for the first time that families in the study sites of Nitra in Slovakia and Polgar Ferencí Hat in Hungary do not differ in terms of the food they consume,” said Dr. Ron Pignasi, a researcher at the institute. said. University of Vienna.
“This suggests that the people living at these Neolithic sites were not stratified based on family or biological sex, understood as differences in access to resources and space. No signs of inequality are detected.”
The LBK culture came to an end around 5000 BC, and various theories have been proposed for its demise.
Some say this period was a period of social and economic crisis, often associated with widespread incidents of violence.
“One of the most famous incidents was the Asparn Schretz massacre in Lower Austria, where more than 100 people were recovered from a ditch,” the researchers said.
“This site, along with Herxheim in Germany, is one of the largest known assemblages of people who were violently murdered during the early Neolithic period, and the skeletons show signs of violence and multiple fractures.”
“Our in-depth genetic studies of the Asparn Schretz people show that fewer than 10 people are genetically related, making it unlikely that this genocide represents a single population. This casts doubt on the hypothesis that there is a
“Previous anthropological studies have noted an underrepresentation of young women, but the new data further support the complete absence of relatives.”
“The large number of children among the victims opens the door to different interpretations of this remarkable event of Neolithic violence.”
of findings Published in a magazine nature human behavior.
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P. Gelabert others. Social and genetic diversity among the first farmers of central Europe. Nat Hum Behavepublished online on November 29, 2024. doi: 10.1038/s41562-024-02034-z
JJust by clicking on the “shiny babe” filter, the teenager’s face was subtly elongated, her nose was streamlined, and her cheeks were sprinkled with freckles. Then, she used the Glow Makeup filter to remove blemishes from her skin, make her lips look like rosebuds, and extend her eyelashes in a way that makeup can’t. On the third click, her face returned to reality.
Today, hundreds of millions of people use beauty filters to change the way they look on apps like Snapchat, Instagram, and TikTok. This week TikTok announced new global restrictions on children’s access to products that mimic the effects of cosmetic surgery.
The publication researched the feelings of around 200 teens and their parents in the UK, US, and several other countries and found that girls reported “feelings of low self-esteem” as a result of their online experiences. The announcement was made after it was discovered that the patient was sensitive to
There are growing concerns about the impact of rapidly advancing technology on health, with generative artificial intelligence enabling what has been called a new generation of “micropersonality cults.” This is no small thing. TikTok has around 1 billion users.
Upcoming research by Professor Sonia Livingstone, Professor of Social Psychology at the London School of Economics, will show that the pressures and social comparisons that result from the use of increasingly image-manipulated social media are more psychologically traumatic than viewing violence. They would argue that it can have major health implications. .
TikTok effect filters (left to right): Original image without filter, Bold Glamor, BW x Drama Rush by jrm, and Roblox Face Makeup. Synthesis: Tiktok
Hundreds of millions of people use alternate reality filters on social media every day, from cartoon dog ears to beauty filters that change the shape of your nose, whiten your teeth, and enlarge your eyes.
Dr Claire Pescot, an educationist at the University of South Wales who has studied children aged 10 and 11, agreed that the impact of online social comparisons is being underestimated. In one study, children who were dissatisfied with their appearance said, “I wish I had put on a filter right now.”
“There is a lot of education going on about internet safety, about protecting yourself from pedophiles and catfish. [using a fake online persona to enable romance or fraud]” she said. “But in reality, the dangers are mutual. Comparing yourself to others has more of an emotional impact.”
But some people resist restrictions on the influence they feel is a fundamental part of their online identity. Olga Isupova, a Russian digital artist living in Greece who designs beauty filters, called such a move “ridiculous.” She added that having an adapted face is a necessary part of being “multiple people” in the digital age.
“People live normal lives, but it’s not the same as their online lives,” she said. “That’s why you need a straightened face for your social media life. For many people, [online] It’s a very competitive field and it’s about Darwinism. Many people use social media not just for fun, but also as a place to make money and improve their lives and futures. ”
In any case, age restrictions on some of TikTok’s filters are unlikely to solve the problem anytime soon. 1 in 5 8 to 16-year-olds lie about being over 18 on a social media app. the study Rules tightening age verification will not come into force until next year, Britain’s communications regulator Ofcom has found.
A growing body of research shows that some beauty filters are dangerous for teenagers. Last month, a small survey was conducted among female students in Delhi who use Snapchat. Found Most people report “lower self-esteem and feelings of inadequacy when juxtaposing their natural appearance with filtered images.” A study conducted in 2022 found that the opinions of more than 300 Belgian adolescents who were found to use face filters were associated with the likelihood of accepting the idea of cosmetic surgery.
“Kids who are more resilient look at these images and say, oh, this is a filter, but kids who are more vulnerable tend to feel bad when they see it,” Livingstone said. “There is growing evidence that teenage girls feel vulnerable about their appearance.”
When TikTok’s research partner Internet Matters asked a 17-year-old in Sweden about beauty filters, she replied: The effect should be more similar. ”
Jeremy Bailenson, founding director of Stanford University’s Virtual Human Interaction Laboratory, said more experimental research is needed into the social and psychological effects of the most extreme beauty filters.
In 2007, he helped coin the term “Proteus Effect.” This is a term that describes how people’s behavior changes to match their online avatar. People wearing more attractive virtual selves disclosed more about themselves than those wearing less attractive virtual selves.
“We need to strike a careful balance between regulation and welfare concerns,” he said. “Small changes to our virtual selves can quickly become tools we rely on, such as the ‘touch-up’ feature in Zoom and other video conferencing platforms. ”
In response, Snapchat said it doesn’t typically receive feedback about the negative impact its “beauty lenses” have on self-esteem.
Meta, the company behind Instagram, said it walks a fine line between safety and expression through augmented reality effects. The company said it consulted with mental health experts and banned filters that directly encourage cosmetic surgery, such as mapping surgical lines on a user’s face or promoting the procedure.
TikTok has made a clear distinction between effects such as animal ear filters and effects designed to change one’s physical appearance, with teens and parents voicing concerns about “appearance” effects. said. In addition to the restrictions, it said it would raise awareness among those making filters about “some of the unintended consequences that certain effects can cause.”
aElon Musk has aligned himself with Donald Trump and various far-right conspiracy theories, causing concern among a group of Tesla owners who are now feeling uneasy about their association with Musk. Many of these owners have publicly expressed their disappointment with Musk and his recent actions.
Seeking to distance themselves from Musk, the owner of Tesla, the world’s richest man, publicly voiced his support for Trump, contributing to his victory in the US presidential election. Consequently, sales of anti-Musk stickers have surged significantly.
Matt Hiller, a Hawaii-based aquarium employee who sells various stickers online, shared that their sales skyrocketed following the election. The stickers, targeting Musk, feature phrases like “Anti-Elon Tesla Club” and “I bought this before Elon went crazy.” These stickers have been in high demand, with hundreds being sold daily.
Hiller, who opted out of buying a Tesla, criticized Musk for his controversial behavior and is now predominantly targeting Tesla owners with his stickers. The demand for these stickers has been on the rise, with slogans like “Space Clown” gaining popularity.
Tesla, once hailed as an environmental hero, has seen its reputation among liberal consumers tarnished by Musk’s rhetoric and actions. Despite these challenges, Tesla remains a dominant player in the electric car market.
Elon Musk and Donald Trump. Photo: Brandon Bell/Reuters
Despite the backlash, it remains unclear how Musk’s actions will impact Tesla’s sales. Concerns linger over Trump’s policies, including his opposition to electric cars and incentives for buyers. Sellers of anti-Musk merchandise have seen a surge in demand, reflecting public discontent with Musk’s recent behavior.
Musk’s involvement in the Trump administration, particularly regarding government efficiency and layoffs, has raised alarm among some Tesla owners, prompting some to reconsider their support for the brand and its founder.
As Tesla navigates these challenges, its future sales trajectory and consumer appeal remain uncertain in the face of evolving market dynamics and public perception of Musk.
We now know that dinosaurs were large reptiles that ruled the Earth, but scientists have always been curious about why it took them 30 million years to reach their peak. New research on fossilized poop and vomit may have found the answer – food.
According to the study, carnivorous dinosaurs like Tyrannosaurus may owe their massive size to their plant-eating ancestors. If these herbivores hadn’t consumed so many plants, researchers suggest that dinosaurs might not have evolved into the colossal creatures we know today.
The fossilized poop and vomit, dated back to about 230 to 200 million years ago, provide insights into the ancient food web. By studying over 500 fossils, scientists identified various prey items from beetles to bones, shedding light on the evolving food chains during the Triassic period.
By combining this information with climate data and other fossils, researchers gained valuable knowledge about the prehistoric environment and the species that coexisted with dinosaurs on Earth.
“Sometimes seemingly ordinary fossils hold extraordinary information that is invaluable,” said study co-author Dr. Martin Kvarnström from Uppsala University in Sweden, as reported by BBC Science Focus.
Co-author Dr. Grzegorz Niedzwicki added, “Understanding the dietary habits of early dinosaurs can offer insights into their success as a group and the importance of predator-prey relationships in shaping Earth’s evolutionary history.”
The study, featured in Nature magazine, analyzed digestive samples from south-central Poland, providing clues about the Late Triassic period and the changes in vegetation during that time.
By employing advanced scanning techniques, researchers were able to visualize intricate details of the fossils, unveiling significant discoveries about the size and distribution of vertebrate populations before the dominance of dinosaurs.
Scientists scanned more than 500 fossils for the study. – Illustration: Qvarnström et al., Nature, 2024
This research model opens up opportunities to explore ancient species in different regions worldwide, emphasizing the importance of analyzing fossilized remains beyond just skeletal findings.
“We aim to highlight the significance of saprolites in reconstructing ancient ecosystems, moving beyond their conventional perception as mere curiosities,” noted Kvarnström.
“While everyone focuses on fossilized skeletons, it is the organic remains that provide crucial insights into the ancient ecological dynamics,” added Niedzwicki.
About our experts:
Dr. Martin Kvarnström, a researcher at Uppsala University, specializes in using fossils to study reptilian diets, particularly dinosaurs.
Dr. Grzegorz Niedzwicki, also a researcher at Uppsala University, focuses on the early evolution of dinosaurs and quadrupeds.
Paleoanthropologists have discovered 1.5 million-year-old footprints of two very different species of humans. homo erectus and Paranthropus boisei — at the same location near Lake Turkana in Kenya.
A 3D computerized model of the surface of an area near Lake Turkana in Kenya shows fossil footprints. Paranthropus boisei (vertical footprint) separate footprint homo erectus Form a vertical path. Image credit: Kevin Hatala / Chatham University.
Hominin is a term that describes a subdivision of the larger category known as Hominidae.
The hominid family includes all extinct and living organisms that are thought to belong to the human lineage that emerged after we separated from our great ape ancestors. This is thought to have happened about 6 to 7 million years ago.
Paleoanthropologists have long hypothesized that: homo erectus and Paranthropus boisei They coexisted.
According to the fossil record, homo erectus It lasted another million years.
Paranthropus boiseiHowever, they became extinct within a few hundred thousand years. Scientists don’t know why.
Both species had an upright posture and bipedal gait, and were very agile. We still know little about how these coexisting species interacted culturally and reproductively.
“Footprints are important because they fall into the category of trace fossils, which includes footprints, nests, and burrows,” said Craig Feibel, a professor at Rutgers University.
“Trace fossils are not parts of living things, but they provide evidence of behavior. Fossil body parts, such as bones and teeth, are evidence of past life, but they are easily displaced by water and predators. ”
This is a reconstruction by the artist homo erectus. Image credit: Yale University.
Professor Feibel and his colleagues discovered footprints from 1.5 million years ago. homo erectus and Paranthropus boisei Near Lake Turkana in Kenya.
“By being on the same surface and forming closely together over time, these two species are located at the edge of the lake and use the same habitat,” Professor Feibel said.
“Skeletal fossils have long provided the primary evidence for studying human evolution, but new data from fossil footprints reveals fascinating details about the evolution of human anatomy and locomotion. , giving further clues about ancient human behavior and the environment,” said Dr. Kevin Hatala. , a researcher at Chatham University.
“Fossil footprints are interesting because they provide a vivid snapshot of our fossil relatives coming to life.”
“These types of data can help us understand how living individuals millions of years ago moved through their environments, interacted with each other, and potentially interacted with other animals. Masu.”
“That's something you can never get from bones or stone tools.”
The authors used a new method they recently developed that allows them to perform 3D analysis to distinguish one footprint from another.
“Biological anthropology is always interested in finding new ways to extract behavior from the fossil record, and this is a great example,” said Dr. Rebecca Ferrell, program director at the National Science Foundation.
“The team used state-of-the-art 3D imaging technology to create a completely new way to observe footprints, which will help us understand human evolution and the role of cooperation and competition in shaping our evolutionary journey. It will help.”
Kevin G. Hatala others. 2024. Footprint evidence of locomotor diversity and common habitats in early Pleistocene hominids. science 386 (6725): 1004-1010;doi: 10.1126/science.ado5275
Drinking enough water can help with weight loss and prevent kidney stones as well as migraines, urinary tract infections, and low blood pressure, according to a new systematic review of 18 randomized clinical trials.
A systematic review of 18 randomized clinical trials found that interventions that increased water intake (or decreased intake in some studies) were associated with statistically significant increases in weight loss and reductions in kidney stone events. A single study suggested benefits related to migraine prevention, urinary tract infections, diabetes management, and lower blood pressure, but did not reach statistical significance. Image credit: Günther.
Water is a major component of the human body and is considered an essential nutrient that cannot be produced in sufficient quantities through metabolism.
The National Academy of Medicine recommends a daily fluid intake of approximately 13 8-ounce cups for men and 9 cups for women.
A common public health recommendation is to drink 8 cups of water per day, but the evidence supporting this is not clear.
Determining a single optimal daily water intake is a difficult concept, given the wide variation in body weight, activity levels, and health status at the population level, and the numerous mechanisms that regulate water balance.
Because of the known negative effects of dehydration, behavioral factors and hydration status have been widely studied in relation to health conditions.
Professor Benjamin Breyer of the University of California, San Francisco, and colleagues aimed to summarize the evidence from randomized clinical trials on the effects of increasing daily water intake on health-related outcomes.
“We wanted to take a closer look at such a ubiquitous and simple intervention, as the evidence is not clear and the benefits are not well established,” Professor Breyer said.
“Although the amount of rigorous research turned out to be limited, there were statistically significant benefits in some specific areas.”
“To our knowledge, this is the first study to broadly evaluate the benefits of water intake on clinical outcomes.”
Researchers have found the most evidence supporting drinking water to prevent kidney stones and lose weight.
Drinking 8 cups of water a day significantly reduced the chance of kidney stones recurring.
Some studies have found that drinking about 6 glasses of water a day can help adults lose weight.
However, a study of adolescents found that drinking just over 8 cups of water a day had no effect.
Still, encouraging people to drink water before meals is a simple and inexpensive intervention that could have significant benefits, given the rise in obesity.
Other studies have shown that water can help prevent migraines, manage diabetes and low blood pressure, and prevent urinary tract infections.
Adults with recurring headaches felt better after drinking more water for three months.
Drinking about 4 more cups of water a day helped diabetics with elevated blood sugar levels.
Drinking an additional 6 cups of water per day also helped women with recurrent urinary tract infections. The number of infected people has decreased and the time between infections has increased.
And drinking more water helped young people with low blood pressure.
“Dehydration has been shown to be particularly harmful for people with a history of kidney stones or urinary tract infections,” says Professor Breyer.
“On the other hand, people who sometimes suffer from frequent urination may benefit from drinking less alcohol. There is no one-size-fits-all approach when it comes to water consumption.”
of the team paper Published in a magazine JAMA network open.
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Nizar Hakam others. 2024. Results of randomized clinical trials testing changes in daily fluid intake: a systematic review. JAMA Net Open 7 (11): e2447621;doi: 10.1001/jamanetworkopen.2024.47621
Orbit of newly discovered exoplanet TOI-3261 (also known as TIC 358070912) is an inactive main sequence star located 300 parsecs (978.5 light years) away in the constellation Hydra.
Artist's concept of the super-hot Neptunian exoplanet TOI-3261b. Image credit: NASA/JPL-Caltech/K. Miller, Caltech & IPAC.
The radius of this newly discovered exoplanet, named TOI-3261b (TIC 358070912b), is 3.82 Earth's radius.
Its mass is 30.3 times that of Earth, more than twice the median mass of Neptune-sized planets in longer orbits.
To determine these properties, astronomer Emma Nabby from the University of Southern Queensland and her colleagues used data from NASA's Exoplanet Survey Satellite (TESS), the Las Cumbres Observatory's Global Telescope, and the ESPRESSO and HARPS instruments. I used
“In our measurements, TOI-3261b is exactly hot neptune desert “The planets are so rare that their rarity evokes images of desolate landscapes,” the astronomers said in a statement.
“This type of exoplanet is similar in size and composition to our own Neptune, but it orbits very close to its star.”
The planet orbits its parent star, TOI-3261, every 21 hours.
Such a narrow orbit has so far allowed the planet to belong to the same group as only three other ultrashort-period, high-temperature Neptunes: LTT-9779b, TOI-849b, and TOI-332b.
“TOI-3261b has proven to be an ideal candidate for testing new computer models of planet formation,” the researchers said.
“One reason hot Neptunes are so rare is that it's difficult to maintain a thick gaseous atmosphere in the immediate vicinity of the star.”
“Because stars are massive, they exert a large gravitational force on surrounding objects and can strip away layers of gas surrounding nearby planets.”
“It also releases a lot of energy and blows away the gas layer.”
“Both of these factors mean that a hot Neptune like TOI-3261b may have started out as a much larger Jupiter-sized planet and then lost most of its mass.”
The TOI-3261 system is about 6.5 billion years old, and the planet began as a much larger gas giant, the researchers said.
“But it likely lost mass in two ways: by photoevaporation, where energy from the star causes gas particles to dissipate, and by gravity from the star, which strips layers of gas from the planet. tidal separation,” the scientists said.
“It's also possible that the planet formed further away from the star, where both of these effects would be less strong and it would be able to maintain an atmosphere.”
“The planet's remaining atmosphere is one of its most interesting features and will likely invite further atmospheric analysis, perhaps helping to elucidate the formation history of this hot Neptunian desert dweller.”
“TOI-3261b's density is about twice that of Neptune, indicating that the lighter parts of the atmosphere have been removed over time, leaving only the heavier components,” the researchers added.
“This suggests that the planet must have started out with a variety of elements in its atmosphere, but at this stage it's difficult to know exactly what they are.”
This finding is reported in the following article: paper Published in astronomy magazine.
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Emma Naby others. 2024. Survival in the Hot Neptunian Desert: Discovery of the ultrahot Neptune TOI-3261b. A.J. 168, 132; doi: 10.3847/1538-3881/ad60be
Ancient footprints discovered in Kenya belong to two different species of human relatives who walked on the same ground at the same time, a study has found.
This coat of arms is thought to belong to the species Homo erectus and Paranthropus boisei.
This discovery raised questions about what kind of relationship and interaction the two species had.
A newly discovered set of footprints in Kenya provides the first evidence that two different species of ancient human relatives walked on the same ground at the same time 1.5 million years ago.
Researchers involved in the discovery say the footprints belong to the species Homo erectus and Paranthropus boisei, and were left within hours to days of each other, meaning that when the two crossed paths, reveals new mysteries about what happened.
According to research on this discovery, Published in Science on Thursdaythe footprints were buried in dry mud near a lake in northern Kenya, and were buried in deposits of prominent fossil sites. By analyzing the print shapes and strike patterns, the researchers found that the two sets were different. They concluded that the best explanation was that two different species left the footprints.
This research advances anthropologists and paleontologists’ understanding that ancient human relatives likely interacted and coexisted. This also raises the question of what kind of relationship these species had.
“We think these individuals, the two species that were there, were probably aware that there were members of another species nearby. They saw each other and thought each other was a member of another species. “This raises the question of what that interaction was,” said Kevin Hatala, an associate professor of biology at Chatham University and lead author of the study. “Were they competitors? Were they totally okay with each other there?”
Previously discovered fossil skeletons of Homo erectus and Paranthropus boisei indicated that both species lived in the area at some point, but the new discovery provides evidence of a direct duplication.
Research team members excavate to reveal footprints. Neil T. Roach / Harvard University
It also shows that the two species walked on two legs in very different ways.
Although both Homo erectus and Paranthropus boisei are related to humans, they have very different characteristics and their fates in the human evolutionary tree took very different paths.
Homo erectus had an anatomy similar to humans from the neck down. This species may have used stone tools and cooked over fire. Its members probably had a varied diet that included meat.
The species eventually spread to Asia, Indonesia, and other regions, and survived for more than a million years after the newly discovered footprints were made.It last appeared in the fossil record just over 100,000 years ago..
“Many have considered themselves to be as good candidates as our direct ancestors,” Hatala said. “They seem to be a very successful species.”
Paranthropus boisei, on the other hand, featured a smaller brain, huge masticatory muscles, and large molar teeth. William Harcourt Smith, an associate professor of anthropology at Lehman College who was not involved in the study, said the species eats difficult-to-eat foods like hard nuts or grinds hard, poor-quality foods like shrubs. It is highly likely that they evolved in this way.
This species did not persist on Earth as long as Homo erectus.
“They probably went extinct not very long after that, within the next few hundred thousand years,” Hatala said, referring to the time of the footprints. He added that no one knows exactly what happened, but it’s possible that environmental changes may have restricted the animal’s specialized diet.
The footprints were first discovered in 2021 at a site called Koobi Fora while researchers were excavating other fossils. This location has become a fossil hotspot. The uplifted rocks expose older sedimentary layers on the surface, giving researchers access to the bones of ancient humans and other animals.
The following year, researchers unearthed about a dozen footprints that appeared to be walking in a line, and later discovered other footprints running at right angles.
“We think these footprints were created in the mud of this lakeshore environment. Something happened that brought sediment on top of it. It could have been deposited by a small flood or by rising water levels. “It’s possible that something was brought in and the footprints were formed and quickly buried,” Hatala said.
The muddy footprints were not trampled by other animals and showed no signs of cracking before being buried in the sand. Researchers said that means they were separated from each other within hours or days.
“The sediment protected them, prevented them from cracking, and allowed them to remain in the geological record,” Hatala said.
He and his co-authors believe that the two species may have been able to coexist in this region because their diets were very different. It is possible that they competed for resources and were in a hostile relationship. This species appears to have lived in the same area for hundreds of thousands of years.
Harcourt Smith, a research paleontologist at the American Museum of Natural History, said the researchers’ analysis was sound and the site was unique.
“I want to emphasize how unusual it is that a site like this exists, how special it is, and the great opportunity we have to find out more,” he said.
Broadly speaking, over the past seven million years of evolution, it has become increasingly clear that different ancient human species interacted in different habitats, Harcourt-Smith added. The evolutionary path to modern humans is full of side branches and species, such as Paranthropus boisei, which represent evolutionary dead ends.
“Human evolution is complex and messy, and there are many experiments being done. It’s not a straight line,” he said.
Over the past few decades, scientists have developed genetic and archaeological evidence showing that: Humans, Denisovans, and Neanderthals overlapped and sometimes interbred. Although the new study does not mention interbreeding, it does provide a clearer picture that even older species overlapped and had more interactions than previously understood.
The researchers completed their work at the Koobi Fora site, photographing and recording the footprints in a variety of ways before concealing them for future generations, said Craig, another author of the research paper.・Mr. Feibel said.
“The footprints need to be carefully refilled with non-damaging sediment to prevent erosion,” he says.
Footprints thought to have been left by an individual of Paranthropus boisei
Neil T. Roach
Preserved footprints in Kenya appear to record two different species of ancient humans walking along the same muddy lake shore, perhaps within days of each other. This is one of the most dramatic pieces of evidence ever discovered that multiple human species once coexisted in the world.
“It's really unusual to find evidence of two different species walking on that surface,” he says. Kevin Hatala at Chatham University in Pittsburgh, Pennsylvania.
footprints Discovered in 2021 Kobi Fora, Kenya, near the eastern shore of Lake Turkana. They were first discovered by team member Richard Loki. Turkana Basin Research Institute“Originally, there was a team of Kenyans working there,” Hatala says.
The researchers discovered a track consisting of 12 footprints preserved in a layer of dry sand and silt (see image above). This was apparently left behind by one person walking in a straight line. Near the main group were also three isolated prints that appeared to have been made by three different individuals. The lack of mud cracks or signs of overprinting with other tracks indicates that these prints were all made at about the same time. “These sites are probably capturing times ranging from minutes to days,” Hatala says.
This deposit was determined to be approximately 1.52 million years old. Isolated footprints are similar to footprints left by modern humans. Your heel touches the ground first, then your foot rolls forward and you push off with the sole of your foot. Hatala and his colleagues suggest that these may have been fabricated. homo erectusis known to have lived in this area.
In contrast, continuous trajectories were created by flatter-footed hominins. Hatala and his colleagues suggest that this could be Paranthropus boiseianother type of hominin that lived in this area.
The footprint fossil on the left, with its deeper heel marks, is thought to have been made by Homo erectus, and the more flat-footed fossil on the right is thought to have been made by Paranthropus boisei.
Kevin Hatala/Chatham
“With footprints, you can never be 100% sure who made them,” he says. Ashley Wiseman from University College London was not involved in the study but, H. erectus and P.Boisei. They are the only humans whose remains have been found preserved in this area, “so we can make an informed guess that it is these two individuals.”
If the track was really made by humans, P.Boisei Wiseman said the specimen appears to have been walking on two legs. The bones of the skull, arms, and legs are paranthropus“We've never found a skull associated with the rest of the skeleton,” she says, meaning little is known about their bodies beyond their heads, and the way they walk remains a mystery. The trajectory will be changed, saying, “This is clear evidence that it was walking on two legs.''
These two species were very different. H. erectus It was one of the earliest members of our genus, homo. They had larger brains than early humans and were the first clade to travel outside of Africa. in contrast, P.Boisey They had large teeth and jaws, small brains, and were apparently adapted to eating chewy foods like grasses and sedges.
Hatala and his team then looked at other known footprints found in the same area and at the same time and found that they appeared to match either species. “Similar patterns have been seen at other sites, which may span more than 100,000 years,” he says. “These two species appear to have coexisted with each other in this same familiar landscape for a very long time.”
“If they were able to coexist for more than 100,000 years, we speculate that there was probably a low to neutral level of competition,” Hatala says. Previous research suggests that the two people were eating different foods. Unlike P.Boisei, H. erectus It is thought that they had a varied diet, including hunting large animals.
“Both could carve out their own existence within this shared landscape,” Hatala says. Subsequent changes in the environment may have had an effect. P.Boisei Potentially extinct, yet more adaptable H. erectus Survived.
A Cheerios-inspired robot that emits alcoholic fuel using fluorescent dye.
Jackson K. Wilt et al. 2024
The same phenomenon as beetles floating on a pond and Cheerios growing in clusters.You can combine them inside a cereal bowl to make a small floating robot.
One such effect, the Marangoni effect, occurs when a fluid with a low surface tension spreads rapidly across the surface of a fluid with a high surface tension. To take advantage of this effect, stenus There are beetles that have evolved to fly around ponds by secreting a substance called stenusin, and toy boats that run on soap.
To explore how engineers can use this, jackson wilt Harvard University and his colleagues 3D printed round plastic pucks about 1 centimeter in diameter. Each had an air chamber for buoyancy and a small fuel tank containing 10 to 50 percent alcohol, which has a lower surface tension than water. The alcohol gradually leaks out of the pack and the pack moves across the surface of the water.
The researchers used alcohol, which evaporates, as fuel, unlike soap, which ends up contaminating the water and ruining the Marangoni effect. It turns out that the stronger the alcohol, the better the results. “The beer would be pretty bad,” Wilt says. “Vodka is probably the best thing you can use. Absinthe…that's a lot of propulsion.” At top speed, the robot moves at 6 centimeters per second, and some experiments propelled the puck for as long as 500 seconds. It has been confirmed that
By printing pucks with multiple fuel outlets and gluing them together, researchers can also create larger devices that can make wide curves or rotate in place. Using multiple packs also allows researchers to study the “Cheerios effect,” where cereals and other similar floating objects cluster together. This occurs because they form a meniscus, or curved surface, in the fluid, and these surfaces are attracted to each other.
Wilt said 3D printed devices could be useful in education to help students intuitively understand concepts related to surface tension, but could also be carefully designed to produce more complex and elegant behavior. If this technology is developed, it can be expected to be applied to environmental and industrial processes.
For example, if there is a substance that needs to be dispersed throughout the environment and also acts as a suitable fuel, the robot can automatically disperse it around it. “Say you have a body of water that needs to release a chemical and you want it to be distributed more evenly, or say you have a chemical process that needs to deposit material over time,” Wilt says. . “I feel like there's some really interesting behavior here.”
As COP29, the latest round of international climate negotiations, struggles in Azerbaijan, Feedback watches bemused from afar. We have previously covered several COPs and are still on most of the relevant mailing lists. So, as I write this on November 18th, we know that the Climate Action Network's Fossil of the Day is South Korea. That's because South Korea single-handedly blocked a deal by high-income countries to end oil and gas subsidies. Yes, that's enough.
Holding a conference dedicated to reducing greenhouse gas emissions in a country as heavily dependent on fossil fuel exports as Azerbaijan was always likely to backfire. Feedback believed that diplomacy was about understanding other people's motives, but apparently no one could reconcile what the Azerbaijani government wanted. Soon, President Ilham Aliyev announced that oil and gas “gift from god'', the country's chief negotiator was photographed saying in his opening speech. Apparently they are arranging it A meeting to discuss fossil fuel trading.
Then the conference actually started – or rather, it didn’t really start. On the first day, work stalled within the first hour as several countries objected to the rest of the meeting's agenda. This is how I spent my first day Renegotiating the agendawhile the delegates sat around with nothing to do. Still, climate change is not an urgent problem.
Feedback would like to think things are only uphill from here, but the experience of the past decade suggests otherwise. And I still get shivers when I think about the last night of one of the COPs we attended. It was well past the evening, so the agreement was signed and the party was supposed to start. But then we see young diplomats carrying stacks of take-out pizza boxes into the negotiating room, and we realize that even in the best case scenario, we'll be there until the early hours of the morning. I noticed. Feedback does not endorse this experience or any cases of caffeine addiction associated with it.
Find your inner villain
News Editorial Assistant Alexandra Thompson calls our attention to a brilliantly titled paper about the psychology research repository PsyArXiv.What it means to be a true badass: An experimental investigation of a commonplace concept.”. Its authors, Briana Nguyen and Michael Prinzing, set out to explain what we mean when we say someone is a “bad person.” It's not clear, since both Genghis Khan and Malala Yousafzai could be called villains, but “they are about as different as you can imagine,” they say. Well, quite a bit.
Researchers used a series of online surveys to find out what kinds of people were counted as bad guys and what kinds of people were not. From this, it became clear that “badass'' is a two-layered concept. It has a superficial meaning of being physically strong or having a “fearsome presence.” But there's also a deeper inner meaning about “moral resilience and courage.”
According to the author, Yousafzai embodies this inner evil, while Khan embodies more of the external evil. Feedback is less certain. We read a biography of Khan by John Mann, and he showed remarkable courage in a difficult situation. Still, the distinction between inner and outer badasses sounds plausible.
Feedback sometimes enjoys this kind of research, which delves into the subtle meanings of everyday terms, in quiet moments. A classic example is Harry Frankfurt's book About bullshit. Frankfurt was a philosopher who distinguished between lying (telling a falsehood with the purpose of clearly misleading someone) and bullshit (telling a lie, regardless of its truth or falsity, in order to serve one's own purpose).
About bullshit is useful to read because it explicitly states what we all implicitly understand. Once the concept is clear, it's easier to find examples, which is why June's paper was frankly titled.ChatGPT is bullshit“It's also great to have a term that is accurate and allows for the overused swear words. We think Frankfurt was the worst.
emu in flight
On November 15th, CBS News published twowild and untrainedAn emu (are there other types?) has escaped in South Carolina. They had apparently escaped three months earlier, but their escape didn't garner any attention until 43 monkeys escaped from a medical research facility in the same state. As of November 18th, Six of the monkeys remained at large.. Faced with hordes of marauding monkeys on the run, journalists began looking for similar stories and found (or rather, didn't find) rogue emus.
You can email your article to Feedback at feedback@newscientist.com. Please enter your home address. This week's and past feedback can be found on our website.
According to the communications watchdog, Reddit, the US online discussion platform, has surpassed X to become the fifth most popular social media platform in the UK. In May of this year, 22.9 million UK adults visited Reddit, compared to 22.1 million on X, as reported by Ofcom.
Reddit, known for its topic-based communities where users engage in discussion threads, experienced a 47% growth in the UK compared to the same period in 2023, making it the fastest-growing large-scale social media platform. This growth led Reddit to overtake LinkedIn and X, claiming the fifth spot in the UK social media platform ranking, with YouTube surpassing Facebook as the top platform with over 44 million adult users.
The increase in organic search traffic on Reddit was attributed to Google’s latest algorithm updates in the first half of 2024, according to Farhad Divecha, managing director of Acuracast. Ofcom suggested that the rise in Reddit’s popularity may also be due to changes in third-party apps accessing content, prompting users to visit the Reddit site. However, Ofcom also raised concerns about Reddit’s promotion of stock market surfacing.
X, on the other hand, has seen a decline in popularity, with an 8% decrease in reach since May last year. Criticisms of X’s content moderation standards have been ongoing since Elon Musk acquired the platform in 2022. The introduction of a rival platform by Mark Zuckerberg’s Meta and competition from Threads have added pressure on X.
Ofcom’s annual report on digital habits highlighted the prevalence of misinformation and deepfakes online, with four in 10 UK adults encountering such content. One-third of UK adults lack confidence in distinguishing AI-generated images, audio, or videos.
No department in Whitehall has registered the use of artificial intelligence systems since the government announced that it will be made compulsory, sparking warnings that the public sector is “acting blind” to the deployment of algorithmic technologies that will affect millions of lives. AI is already being used by governments to inform decisions on everything from benefit payments to immigration enforcement, and records show public agencies have awarded dozens of contracts for AI and algorithmic services. A contract for facial recognition software worth up to £20 million was put up for sale by the Home Office-set up police procurement agency last week, reigniting concerns about “massive biometric surveillance”.
However, details of only nine algorithmic systems have been submitted so far to the public register. There is no increase in AI programs being used in the welfare system by the Home Office or the police. The lack of information comes despite the government announcing in February this year that the use of AI registers would be a requirement for all government departments.
An expert warned of the potential harms of deploying AI systems uncritically, citing high-profile examples of IT systems not working as intended, like the Post Office’s Horizon software. The use of AI within Whitehall ranges from Microsoft’s Copilot system to automated fraud and error checking in benefits systems. The lack of transparency in the government’s use of algorithms has raised concerns among privacy rights campaigners and experts in the field.
Since the end of 2022, only three algorithms have been recorded in the national registry. These include systems used by the Cabinet Office and AI-powered cameras analyzing pedestrian crossings in Cambridge. A system that analyzes patient reviews of NHS services is also included. Despite the slow progress in registering AI systems, public agencies have signed 164 contracts referencing AI since February. Technology companies like Microsoft and Meta are actively promoting their AI systems to government agencies.
The Department for Work and Pensions and the Home Office are already leveraging AI for various purposes, from fraud detection to decision-making processes. Police forces are using AI-powered facial recognition software to track criminal suspects, while NHS England has signed a deal with Palantir to build a new data platform. In addition, AI chatbots are being trialed to assist people in navigating government websites and assist civil servants in accessing secure government documents quickly.
We now know that dinosaurs were giant reptiles that dominated the Earth, but scientists have long wondered why it took them 30 million years to reach their peak. New research on their fossilized poop and vomit may have found the answer suggests that there was food in their waste.
Carnivorous dinosaurs like tyrannosaurus may have their herbivore ancestors to thank for their enormous size. The researchers propose that if these plant-eating animals hadn’t ingested so many plants, dinosaurs might not have evolved into the giant creatures we know today.
The fossilized poop and vomit, known as bromalite or copralite, dates back to around 230 to 200 million years ago, a time long before the reign of the tyrannosaurus and the Chicxulub asteroid impact that led to the extinction of dinosaurs.
Scientists reconstructed a “food web” from the undigested meals of early dinosaurs, revealing the intricate relationships between different species during the Triassic period. By scanning over 500 fossils, they found evidence of various organisms, including beetles, bones, and partially digested fish.
Combining this information with climate data and other fossils provided insights into the diverse flora and fauna coexisting with dinosaurs on Earth.
“Sometimes seemingly ordinary fossils contain remarkable information that cannot be found anywhere else,” said Dr. Martin Kvarnström, a study co-author from Uppsala University in Sweden, as reported by BBC Science Focus.
Dr. Grzegorz Niedzwicki, another co-author from Uppsala University, added, “Understanding the diet of early dinosaurs may help us grasp why this group thrived. The evolution of life on Earth hinges on predator-prey dynamics and feeding habits.”
A study published in Nature analyzed digestive samples from south-central Poland during the Late Triassic period when the region was part of the Pangea supercontinent.
According to experts, increased volcanic activity and humidity favored the growth of moisture-loving plants during this time, potentially influencing the evolution of dinosaurs.
The study utilized advanced scanning techniques to reveal detailed information from the fossils, highlighting changes in vertebrate populations leading up to the dominance of dinosaurs.
The researchers aim to apply this model to study ancient species in other regions and emphasize the importance of fossilized waste in reconstructing ancient food webs.
“Everyone is focused on finding fossilized skeletons, but it’s the waste that offers valuable insights into events from millions of years ago,” remarked Niedzwicki.
About our experts:
Dr. Martin Kvarnström is a researcher at Uppsala University in Sweden, focusing on using fossils to understand reptile diets, including dinosaurs.
Dr. Grzegorz Niedzwicki, also from Uppsala University, specializes in the early evolution of dinosaurs and other quadrupeds.
Swedish and Polish paleontologists are using hundreds of fossilized fecal and vomit samples from the Polish Basin in central Europe to reconstruct the rise of dinosaurs to play a dominant role in Earth’s ancient ecosystems. I investigated.
Bone-crushing archosaur fecal fossil smoke, smoke In the background is reconstruction. Image credit: Grzegorz Niedzwiedzki.
The fossil record shows that dinosaurs evolved during the mid-Triassic period (247 to 237 million years ago).
However, the dominance of dinosaurs in terrestrial ecosystems was not seen until the early Jurassic period, about 30 million years later.
Although many non-dinosaur tetrapods (four-limbed vertebrates) were expelled during this period, questions remain as to why dinosaurs came to dominate the ecosystem.
“The real detective work is piecing together ‘who ate who’ in the past,” said Martin Kvarnström, a paleontologist at Uppsala University.
“Being able to examine what animals ate and how they interacted with their environment helps us understand what enabled dinosaurs to be so successful.”
Dr. Kvarnström and his colleagues reconstructed the food web using more than 500 fossilized remains of digestive material (such as feces and vomit), known as bromalite, collected from the Polish Basin, which spans the Late Triassic to Early Jurassic period. We investigated this transition by constructing a.
“The research material was collected over a period of 25 years,” said Dr. Grzegorz Niedrzywicki, a paleontologist at Uppsala University and the Polish Geological Institute.
“It took years to piece everything together and paint a coherent picture.”
“Our study is innovative because we chose to understand the ecology of early dinosaurs based on their dietary preferences.”
“There were a lot of surprising discoveries along the way.”
Analysis of these remains (including 3D imaging of internal structures to reveal undigested food content) is compared to the existing fossil record, along with climate and botanical data, to determine the size and presence of vertebrates during this period. We estimated the change in quantity.
These data indicate that non-dinosaur tetrapods replaced omnivorous ancestors of early dinosaurs that evolved into the first carnivorous and herbivorous dinosaurs towards the end of the Triassic.
Researchers now believe that environmental changes associated with increased volcanic activity may have led to a greater variety of plant prey, which in turn led to the emergence of larger and more diverse herbivore species. Suggests.
This led to the evolution of even larger carnivorous dinosaurs by the beginning of the Jurassic period, completing the transition to dinosaur dominance within the ecosystem.
This analysis sheds light on the emergence of dinosaur dominance within the Polish Basin ecosystem.
“Our findings support the idea that stochastic processes and competitive advantage enabled dinosaurs’ great evolutionary success,” the authors said.
“Dinosaurs gradually achieved supremacy over 30 million years of evolution.”
“The processes illustrated by the Polish data may explain global patterns and shed new light on the emergence of environmentally dominated dinosaur dominance and gigantism that persisted until the mass extinction at the end of the Cretaceous.” We suggest that there is a
M. Kvarnström others. Digestive content and food webs record the advent of dinosaur supremacy. naturepublished online on November 27, 2024. doi: 10.1038/s41586-024-08265-4
BOf them, the Australian online personality who took to the stage at the annual TikTok Awards on Wednesday has more than 100 million followers. But if you're over 30, you've probably never heard of them.
This year's TikTok Awards received approximately 3.4 million public votes and recognized top creators in categories such as beauty, fitness, food, comedy, and music. Almost everyone who attended the invite-only event achieved fame in a particular field. Among the online stars in attendance were: quartet of brothers People who perform highly choreographed dances in public (160,000 followers); gay couple A woman who constantly redecorates her home (3.4 million followers) and a woman who is growing her following. About having very long hair (Australian Rapunzel, 1.3 million followers). Another woman posted a video that garnered 1.5 million followers. Ask a stranger if they're on their period. These are people who are regularly stopped on the street by fans and have large enough followings that they can make a living doing business with brands.
American singer JoJo Siwa greeted fans outside the TikTok Awards on Wednesday. Photo: Don Arnold/WireImage
The ceremony, held at Sydney's Hordern Pavilion, was a safe space for hyper-online people. The brand activation encouraged guests to pose in elaborate photo settings. Creators in the audience brought portable ring lights and live-streamed TikTok from their seats throughout the night. That meant crowds were often uncomfortably quiet during awards ceremonies, as it was difficult to clap and hold a cell phone at the same time. It was impossible to use the bathroom without accidentally crashing a TikTok being filmed in the mirror.
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“The main advice I have to give is to stay true to yourself and hit the posts,” TikToker Leah Hulton said at the venue while accepting the award for 12-second video of the year. . lip sync video It has been viewed 939 million times. “I don't know where they're taking me.”
Throughout the night, entertainment ranged from the flamboyant to the absurd. american pop star jojo siwaperformed her song “Karma” and presented her with the Music Artist of the Year award (which went to Loyle Otis, who was absent). Beatmaker Cyril Riley has tapped Australian Idol runner-up Shannon Knoll for a song. Host Robert Irwin brought out a live snake. Branded T-shirts were airgunned into the crowd. The night's skincare sponsors had performers dressed as bottles of their products dance to a jagged electronic track while a DJ delivered unspecific spoken word sound bites like “dermatologist recommended.” did. On stage, there were references to memes that have become popular on TikTok this year, such as the Four Seasons Orlando Baby.
But the audience wasn't entirely Internet native. In attendance was 76-year-old TV chef Ian “Huey” Hewitson, who was nominated in the food category, and was awkwardly seated at the same table as fellow nominees in their 20s and 30s. (Finally, michael finchformer beauty vlogger turned viral chef). Also in attendance was Dr. Karl Krzelnicki, who won the High Quality Content Creator category for his research on topics such as: Why does drinking coffee make you poop?.
A 12,900-year-old bone needle discovered at the La Preure site in Wyoming, USA, was made from fox bone. rabbit. This could include felines such as bobcats, pumas, lynx, and even the now extinct American cheetah. New research from the University of Wyoming shows that the bones of these animals are sized to make bone needles, remain attached to fur sewn into intricate clothing, and are readily available within campgrounds. It is said to have been used by early Paleoindian gatherers at La Prele.
La Prele Bone Needle and Needle Preform Reconstruction and Comparison Micro-CT Scan of Animal Specimens. Image credit: Pelton others., doi: 10.1371/journal.pone.0313610.
la prele Early Paleoindian mammoth trapping site and campground on a tributary of the North Platte River near Douglas, Wyoming.
Ten seasons of excavation in four major blocks yielded tens of thousands of artifacts related to a single occupation.
Among the wide variety of artifacts recovered from the site so far are fragments of 32 bone needles.
“Our study identifies for the first time the species and possible elements from which Paleoindian people produced bone needles with eyes,” said Wyoming State Archaeologist Spencer Pelton and colleagues.
“Our results provide strong evidence that tailored clothing is produced using bone needles and fur from fur-bearing animals.”
“These garments partially enabled the dispersal of modern humans into northern latitudes and, ultimately, the colonization of the Americas.”
In their study, Dr. Pelton and his colleagues examined bone needle fragments taken from the La Prele site.
The researchers used peptides (short chains of amino acids) obtained from these artifacts to identify animals known to have existed during the Paleoindigenous period, which refers to the prehistoric period of North America between 13,500 and 12,000 years ago. peptide.
As a result of the comparison, it was concluded that the bones of the red fox are bones. Bobcat, puma, lynx, or American cheetah. At La Preure, hares and rabbits were used to make needles.
“Despite the importance of bone needles in explaining the global dispersal of modern humans, archaeologists have not identified the materials used to make bone needles, making this important cultural innovation “This limits our understanding of the
Previous research has shown that to cope with the cold temperatures of northern latitudes, humans likely created tailored clothing with tightly sewn seams that provided a barrier against the elements.
There is little direct evidence of such clothing, but there is indirect evidence in the form of bone needles and the bones of fur owners whose fur was used for clothing.
“Wearing such clothing allowed modern humans to extend their range into areas that were previously inaccessible due to the threat of hypothermia and death from exposure. '' said the scientists.
“How did the people of La Prele Ruins obtain fur-bearing animals?
“It was probably a trap, not necessarily looking for food.”
“Our results are a reminder that foragers used animal foods for a wide range of non-subsistence purposes, and that the mere presence of animal bones at an archaeological site need not indicate a diet. ”
“Combined with a review of comparable evidence from other North American Paleoindian sites, our results suggest that early Paleoindians of North America had direct access to fur-bearing predators, probably by traps, and that It represents some of the most detailed evidence ever discovered regarding Indian clothing.
SR Pelton others. 2024. Early Paleoindians used canids, felines, and hares to produce bone needles at the La Prele site in Wyoming, USA. PLoS ONE 19 (11): e0313610;doi: 10.1371/journal.pone.0313610
Earth-sized ovals at Jupiter's north and south poles, visible only at ultraviolet (UV) wavelengths, appear and disappear at seemingly random intervals, according to a study led by astronomers at the University of California, Berkeley.
False-color ultraviolet image of the entire planet showing a hood or cap of hydrocarbon fog covering the south pole. The edge of the arctic hood is visible at the top. Image credit: Troy Tsubota and Michael Wong, University of California, Berkeley.
Jupiter's dark ultraviolet ellipses are mostly located directly beneath bright auroral bands at each pole, similar to Earth's northern and southern lights.
This spot absorbs more ultraviolet light than the surrounding area, so it appears darker in images from the NASA/ESA Hubble Space Telescope.
In annual images of the planet taken by Hubble between 2015 and 2022, dark ultraviolet ellipses appear 75% of the time at the south pole, but only in one in eight images taken at the north pole. A dark oval will appear.
The dark ultraviolet ellipses suggest that unusual processes are occurring in Jupiter's strong magnetic field. This magnetic field propagates all the way to the poles and deep into the atmosphere, much deeper than the magnetic processes that produce auroras on Earth.
The dark ultraviolet ellipse was first detected in the 1990s by Hubble at the North and South poles, and later also at the North Pole by NASA's Cassini spacecraft, which flew close to Jupiter in 2000, but received little attention.
In a new analysis of Hubble images, University of California, Berkeley undergraduate student Troy Tsubota and his colleagues found that the oval shape is a common feature of Antarctica. They counted eight Southern Ultraviolet Dark Ovals (SUDOs) between 1994 and 2022.
In all 25 Hubble Earth maps showing Jupiter's north pole, only two northern ultraviolet dark ellipses (NUDOs) were found.
Most of the Hubble images were taken as part of the Outer Planet Atmospheres Legacy (OPAL).
“In the first two months, we realized that these OPAL images were kind of a gold mine. We quickly built this analysis pipeline and asked what we could get by sending all the images. We were able to confirm that,” says Tsubota.
“That's when we realized we could actually do good science and real data analysis and have conversations with our collaborators about why these things appear.”
The authors also aimed to determine the cause of these areas of dense fog.
They theorized that the dark ellipse was likely being stirred up from above by a vortex created when the planet's magnetic field lines rub at two very far apart locations. One is the friction in the ionosphere and the Earth's sheet, the rotational motion of which has previously been detected using ground-based telescopes. Hot ionized plasma around the planet emitted by the volcanic moon Io.
The vortex rotates fastest within the ionosphere and gradually weakens as it reaches deeper layers.
Like a tornado landing on dusty ground, the deepest parts of the vortex stir up the hazy atmosphere, creating the dense patches observed by astronomers.
It is unclear whether the mixing will dredge more haze from below or create additional haze.
Based on their observations, researchers believe that the oval shape may form over about a month and disappear within a few weeks.
Astronomer Dr Shih Zhang said: “The dark elliptical haze is 50 times thicker than typical concentrations. This is because this haze is due to the dynamics of the vortex, rather than a chemical reaction caused by high-energy particles from the upper atmosphere. This suggests that it is likely to have been formed by At the University of California, Santa Cruz.
“Our observations show that the timing and location of these high-energy particles do not correlate with the appearance of the dark ellipses.”
This discovery, which the OPAL project was designed to discover, will reveal how the atmospheric dynamics of the solar system's giant planets differ from what we know on Earth. .
“Studying the connections between different atmospheric layers is extremely important for all planets, whether exoplanets, Jupiter, or Earth,” said Dr. Michael Wong, an astronomer at the University of California, Berkeley.
“We see evidence of processes connecting everything throughout the Jovian system, from internal dynamos to satellites, plasma torii, ionospheres, and stratospheric haze.”
“Finding these examples helps us understand the entire planet.”
of study Published in a magazine natural astronomy.
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TK Tsubota others. Jupiter's ultraviolet to dark polar ellipse shows the connection between the magnetosphere and atmosphere. Nat Astronpublished online on November 26, 2024. doi: 10.1038/s41550-024-02419-0
This article is adapted from the original release by the University of California, Berkeley.
Astronauts aboard the International Space Station are ready to break Thanksgiving bread in orbit.
NASA astronaut Suni Williams said she and her fellow crew members will be taking the day off to celebrate.
“I’m packing a lot of Thanksgiving-y food,” Williams said Wednesday in an interview with NBC News. “Smoked turkey, cranberries, apple cobbler, green beans and mushrooms, and mashed potatoes.”
She added that she plans to attend the Macy’s Thanksgiving Day Parade before dining with American and Russian colleagues.
Williams has been living and working on the International Space Station for almost six months. She and fellow NASA astronaut Butch Wilmore arrived at the orbiting outpost in early June as test pilots for the first manned flight of Boeing’s Starliner space capsule.
The two were scheduled to stay on the ISS for only about a week, then return to Earth on the Starliner. However, problems with the spacecraft kept them in orbit for months longer than expected. Wilmore and Williams are scheduled to return home in February in a SpaceX Crew Dragon capsule.
Starliner’s difficult mission was a dramatic, months-long story for NASA and Boeing. But Williams said she doesn’t feel like she’s “stranded” in space.
“Our control team and management always had the option of us returning home,” she said. “Yes, we came here on the Starliner. We’re coming back on the Dragon, but there was always a plan for how we were going to get home.”
In the last few weeks, NASA dodged the rumors Williams reportedly suffered from health problems while in space. Although some news articles suggested that the astronauts had lost significant weight, the agency’s medical director said on Nov. 14 that the health of Williams and others on board the space station was He said the condition was good.
Williams told NBC News that he is enjoying his time in orbit and is in good spirits.
“We feel good, we exercise and we eat properly,” she said. “We’re having a lot of fun here, too. So people are worried about us. Really, don’t worry about us.”
June 5, Suni Williams and Butch Wilmore of Cape Canaveral, Florida. Chris O’Meara / AP File
Despite problems that occurred during Starliner’s voyage (mainly thruster and helium leaks), the capsule returned to Earth without a crew on September 7th. Williams said he wished he had been able to see Starliner’s mission to completion.
She added that Boeing and NASA would not hesitate to send Starliner into space again if they ironed out the problems that arose during the test flight.
“It might not be tomorrow because we need to incorporate some of the lessons we learned,” she said. “But once we knew we were on the right path, we fixed some of the issues we had — absolutely.”
Thanksgiving might bring cool and rainy weather to many parts of the country, but a solar storm could offer some Americans a chance to witness the beauty of the Northern Lights.
Thanks to a filament eruption on Monday, a mild to moderate geomagnetic storm is expected on Thursday and Friday, as the sun releases a cloud of high-energy plasma towards Earth, as reported by the National Oceanic and Atmospheric Administration (NOAA).
This eruption has the potential to illuminate the night sky in the U.S. with shades of green, red, and purple over the Thanksgiving holiday.
The brightness of the aurora and how long it will be visible depends on the strength of the solar storm and whether it reaches G1 or G2 conditions, according to NOAA meteorologist Mike Betwi.
Residents in states like Washington, Montana, Dakota, Minnesota, Wisconsin, Michigan, and Maine are in prime locations to witness the Northern Lights this weekend, with those in northern parts of Idaho, Wyoming, New York, Vermont, and New Hampshire also having a chance, based on NOAA’s predictions.
NOAA experts anticipate that the Northern Lights will likely be visible from Thursday evening until early Friday morning, but it’s uncertain when and where the sky will light up during the geomagnetic storm. You can monitor the latest activity and forecasts using NOAA’s Aurora Dashboard and experimental tools.
Optimal viewing conditions will be in areas with clear skies, although cloudy weather in the Northeast, much of New England, and near the Great Lakes could obstruct the view.
Unlike a previous strong solar storm earlier this year, experts do not anticipate major disruptions to communication systems in the U.S. unless the storm intensifies unexpectedly, according to Betwi.
The aurora borealis is typically visible at high altitudes, but a significant solar storm can cause it to be visible in areas much farther south than usual.
These solar storms occur when coronal mass ejections from the Sun send large plasma clouds into space, which when directed towards Earth, interact with the planet’s magnetic field and upper atmosphere, resulting in the glowing auroras.
NOAA is gearing up for the expected peak in solar activity next July, which is why the aurora has been visible further south multiple times this year.
In 1818, Mary Shelley invented a technology that has been used for both good and bad in the centuries since. It's called science fiction.
Although you might not think that literary genres count as technology, science fiction has long been a tool for predicting and critiquing science. Shelley’s Frankenstein Considered by many to be the first serious science fiction novel, it was so powerful that South Africa banned it in 1955. This story set the formula with a story that still serves today as a warning against unintended consequences.
As far as we know, the exact science that the eponymous Victor Frankenstein used to create is impossible. But today researchers can restore dead human brains to something resembling life. Experiments are underway to restart cell activity (but importantly not consciousness) after death to test its effectiveness in treating conditions such as Alzheimer's disease (see “Fundamental treatments that bring people back from the brink of death”).
It reminds me of many science fiction stories that feature similar scenarios and I can’t help but imagine what will happen next. The same is true for the study reported in “1000 people’s AI simulation accurately reproduces their behavior.” In this study, researchers used the technology behind ChatGPT to recreate the thoughts and actions of specific individuals with surprising success.
The team behind this work blurs the lines between fact, fiction, and what it means to be human.
In both cases, the teams behind this research are blurring the lines between fact, fiction, and what it means to be human, and their research is being conducted under strong ethical oversight. We are deeply aware that there are ethical concerns in the details. It was announced early on. But now that the technology is proven, there is nothing to stop more violent groups from attempting the same thing without oversight, potentially causing significant damage.
Does that mean the research should be banned for fear of it falling into the wrong hands, as Shelley’s book was? Far from it. Concerns about technology are best addressed through appropriate evidence-based regulation and swift punishment of violators. When regulators go too far, they miss out on not only the technology but also the opportunity to criticize and debate it.
Ocean acidification is penetrating to depths of 1,500 meters, posing new threats to creatures such as sea butterflies, sea snails and cold-water corals.
The ocean is the largest natural sink of carbon dioxide, absorbing about a quarter of our annual emissions. The uptake of CO2 makes the ocean surface more acidic, which affects sensitive ecosystems such as coral reefs. But until now, researchers didn’t know how far acidification was reaching the deep ocean.
jens daniel müller Researchers at the Federal Institute of Technology Zurich in Switzerland have developed a 3D reconstruction of how CO2 moves through the ocean, based on global measurements of ocean currents and other circulation patterns. They used this model to estimate how the carbon dioxide absorbed by the ocean has affected deep-sea acidity since 1800, around the beginning of the industrial revolution.
They found clear acidification signals down to 1,000 meters deep in most of the ocean. In some regions, such as the North Atlantic, where the powerful Atlantic Meridional Overturning Current (AMOC) transports carbon from the surface to the deep ocean, acidification was observed down to 1500 meters. Some pockets of deep water, which are more acidic in nature, showed even more acidification than the surface. Their high natural acidity reduces their ability to absorb added CO2, Mueller says.
This is more or less what researchers expected would happen as the oceans absorbed more carbon dioxide. Wang Hongjie at the University of Rhode Island. “But it’s another thing to actually see the data coming in that affirms this.”
Remarkably, about half of all acidification since 1800 has occurred since 1994, as CO2 emissions have increased exponentially. “We’re seeing this progress be quite rapid,” Muller says.
The scale of acidification is sufficient to threaten the survival of a wide range of life in the oceans. Chiropods such as sea snails and sea butterflies are particularly at risk because their shells are made of calcium, which dissolves when water becomes too acidic. Increasing acidification has doubled the number of areas where it is difficult for cold-water corals to survive.
And ocean acidification will continue as seawater absorbs more carbon dioxide. “Even if we were able to stop carbon dioxide emissions immediately, we would still see ocean acidification processes inland for hundreds of years,” Muller said.
Scientists from Curtin University and the University of Adelaide analyzed 4.45 billion-year-old zircon particles from a famous Martian meteorite called North West Africa 7034 (NWA 7034) to determine the geochemistry of the water-rich fluid. They found a “fingerprint.”
Northwest Africa 7034. Image credit: NASA.
NWA 7034 weighs approximately 320 grams and is a regolith breccia from Mars.
This meteorite, better known as Black Beauty, was discovered in Morocco's Sahara desert in 2011.
NWA 7034 contains the oldest Martian igneous material ever discovered (approximately 4.45 billion years old).
Dr Aaron Cavosy from Curtin University said: “This discovery opens new avenues for understanding not only the past habitability of Mars, but also the ancient Martian hydrothermal systems associated with magmatic activity.” Ta.
“We used nanoscale geochemistry to detect elemental evidence of Martian hydrothermal waters 4.45 billion years ago.”
“Hydrothermal systems are essential for the development of life on Earth, and our findings show that Mars also had water, a key component of a habitable environment, during its early history of crustal formation.” It suggests that.
“Through nanoscale imaging and spectroscopy, the research team identified the elemental pattern of this unique zircon, including iron, aluminum, yttrium, and sodium.”
“These elements were added when zircon formed 4.45 billion years ago, suggesting that water was present during early magmatic activity on Mars.”
The authors show that water was present in the early pre-Noachian period before about 4.1 billion years ago, even though the Martian crust withstood massive meteorite impacts that caused large-scale surface deformation. showed.
“A 2022 Curtin study on the same zircon particle found that it had been 'shocked' by a meteorite impact, making it the first and only known shocked zircon from Mars. “It turns out,” Dr. Kavosie said.
“This new study identifies telltale signatures of water-rich fluids when the particles formed and provides geochemical markers of water in the oldest known Martian crust. This brings us one step closer to understanding early Mars.”
of findings appear in the diary scientific progress.
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Jack Gillespie others. 2024. Zircon trace element evidence of early hydrothermal activity on Mars. scientific progress 10(47);doi: 10.1126/sciadv.adq3694
NASA’s European Clipper, the largest spacecraft the agency has ever developed for a planetary mission, is already 20 million kilometers (13 million miles) from Earth.
An artist’s concept for NASA’s Europa Clipper shows the spacecraft silhouetted on the surface of Jupiter’s icy moon Europa, with the magnetometer boom fully deployed on top and the antenna for the radar instrument pointing out from the solar array. It’s growing. Image credit: NASA/JPL-Caltech.
Europa Clipper launched from NASA’s Kennedy Space Center in Florida on October 14, 2024.
The spacecraft is hurtling toward the Sun at 35 kilometers per second (22 miles per second).
Europa Clipper will travel 2.9 billion kilometers (1.8 billion miles) to reach Jupiter in 2030 and begin a series of 49 flybys in 2031, collecting data using an array of instruments. , will tell scientists whether the icy moon and its interior ocean influenced the icy moons. Conditions necessary for life to exist.
For now, the information mission teams are receiving from the spacecraft is strictly engineering data, telling them how the hardware is working.
Immediately after launch, Europa Clipper deployed a giant solar array extending the length of a basketball court.
Next on the list was the magnetometer boom, which unwound from a canister attached to the spacecraft body and stretched 8.5 meters (28 feet) in length.
To ensure that all boom deployments went well, the team used data from three magnetometer sensors.
Once the spacecraft reaches Jupiter, these sensors will measure Europa’s surrounding magnetic field, confirming the existence of an ocean believed to lie beneath the moon’s icy crust, and telling scientists about its depth and salinity. I’ll let you know.
After the magnetometer, the spacecraft deployed several antennas for radar instruments.
Four high-frequency antennas extend laterally from the solar array, forming what appear to be two long poles, each 17.6 m (57.7 ft) long.
Eight rectangular very high frequency antennas, each 2.76 m (9 ft) long, were also deployed, two on each of the two solar arrays.
“This is an exciting time for the spacecraft to complete these important deployments,” said Jordan Evans, a researcher at NASA’s Jet Propulsion Laboratory and project manager for Europa Clipper.
“Most of what the team is focused on right now is understanding the small, interesting things in the data that help us understand the behavior of the spacecraft on a deeper level. It’s really good to see that. That’s it.”
The remaining seven devices will be powered on and off throughout December and January so engineers can check their health.
Some instruments, including visible imagers and gas and dust mass spectrometers, will remain under protective covers for the next three years or so to prevent potential damage from the Sun while Europa Clipper was in the inner solar system. I plan to make it.
Once all equipment and engineering subsystems are checked out, the mission team will shift its focus to Mars.
On March 1, 2025, Europa Clipper will reach Mars’ orbit and begin orbiting Mars, using Mars’ gravity to gain speed.
The mission navigator has already completed one course correction maneuver to keep the spacecraft on the correct course as planned.
On Mars, as a test run, the rover’s thermal imager will be turned on to take multicolor images of Mars.
They also plan to collect data on the radar equipment so engineers can verify that it is working as expected.
The spacecraft is scheduled to perform another gravity assist in December 2026 and swoop down to Earth before making the remainder of its long journey to the Jupiter system.
At that time, the magnetometer measures the Earth’s magnetic field and calibrates the instrument.
A plant-eating sauropod dinosaur that evolved in a humid environment during the early Jurassic period.
Marcin Ambrozik
The contents of feces and vomit from 200 million years ago are helping to show how dinosaurs conquered the world at the beginning of the Jurassic period.
Whole insects embedded in various shapes and sizes of well-preserved plants, bones, fish parts, and even ancient animal feces show that dinosaurs varied in comparison to other groups of animals. This suggests that dinosaurs were able to survive in the ecosystem thanks to their wide-ranging diet. This led to their further growth and eventually led to the establishment of a “land dynasty.” Martin Kvarnström At Uppsala University, Sweden.
Fossil evidence shows that the first dinosaurs had prominent hip joints that placed their legs underneath their bodies like mammals, rather than sprawling sideways like lizards. More than 230 million years ago During the Triassic. For tens of millions of years, these early dinosaurs blended into a landscape filled with many other types of reptiles. But by about 200 million years ago, dinosaurs had essentially taken over the Earth, around the time most other reptiles disappeared during the end-Triassic extinction.
What led to this dominance remains somewhat of a mystery. Kvarnström and his colleagues suspected that important clues might be hidden in the bromalites (fossilized feces and vomit) of dinosaurs and other animals. So they Polish Geological Institute collected by a prior research group from eight locations in Poland between 1996 and 2017.
The research team estimated the age of each bromalite based on the layer of sediment in which it was found, and determined its size, which ranges from a few millimeters to a “fairly large fecal mass,” and the animals that may have produced it. A suitable shape was used. The researchers then 3D scanned the fossil to examine its contents. “We noticed that it was clogged with food debris,” Kvarnström says.
Coprolites, or fossilized feces, of herbivorous dinosaurs containing plant remains
Grzegorz Niedzwicki
Combining the known fossil record and past climate information, researchers determined that the emergence of dinosaurs occurred in several different stages. First, the omnivorous ancestors of early dinosaurs began to outnumber non-dinosaurs. They then evolved into the first carnivorous and plant-eating dinosaurs.
At that point, increased volcanic eruptions and movement of tectonic plates caused flooding and waterway development. The resulting humidity and related changes in climate likely led to a wider range of plants and the evolution of larger and more diverse herbivorous dinosaurs. On the other hand, animals other than dinosaurs (such as dicynodonts, which eat plants weighing up to 1 ton) Lisowisia, Their feces contained mainly coniferous debris and they were less able to adapt to changes in vegetation.
As herbivorous dinosaurs grew larger, so did their predators. By the beginning of the Jurassic period, about 30 million years after the first dinosaurs appeared, the transition to a dinosaur-dominated world was complete, Kvarnström says.
“This study shows how climate primarily affected dominant plants, which created opportunities for new herbivores at certain points in time,” he says. michael benton from the University of Bristol, UK, was not involved in the study.
Although it's difficult to be sure that the researchers matched the scat to the right animal, the discovery nonetheless suggests that the dinosaur species had already expanded significantly in South America before major climate change. This confirms earlier research, he says. “But it took the end-Triassic mass extinction for the final stage of the takeover to begin.”
for emma dunn The study, conducted at Germany's Friedrich-Alexander University, helps answer long-standing questions about the emergence of dinosaurs. “It's not every day that a fossil poop is published in such an influential journal,” said Dunn, who was not involved in the study. “This is obviously interesting, but it's also very useful for understanding prehistoric environments. So if you think of the evolution of early dinosaurs like a jigsaw puzzle with pieces missing, there are new It’s just a lot of pieces thrown in.”
a Report from Bloomberg Suggest this week Sony is working on a new portable PlayStation device. As someone who can't bear to leave my PlayStation Vita in the attic and still has it sitting in my desk drawer, this is a very exciting prospect. It's been almost 13 years since Sony released its last portable console, the Vita, and with its crisp big screen and skinny little stick, it's a real wonder. I wish more people would have made games. Papercraft adventure Tearaway and dizzying platform puzzle game Gravity Rush remain underrated.
In fact, aside from the beautiful and very niche Playdate, no one has bothered to release a dedicated handheld game console in over a decade. Both the Nintendo Switch and Valve's Steam Deck are hybrids that can be played handheld or connected to a big screen.
There's a reason for this. First, smartphones have taken over almost the entire portable gaming market, offering an endless supply of free and cheap games on the devices everyone already owns. And secondly, it's handheld and In the past, commercially available home game consoles divided development resources. Only Nintendo has had enough success selling handheld devices to overcome generations of talent split between DS and Wii, or 3DS and Wii U, games. That made the Switch a candidate for the smartest business decision in the company's history. .
Sony, on the other hand, has always struggled to make enough games for the PlayStation Portable (PSP) and Vita, alongside the home PlayStation, to make the handheld console an attractive buy. The PSP, which sold 75 million units, was a highly profitable console, even though it was in direct competition with the Nintendo DS, which sold 150 million units (12 million was sold by the PSP before moving to a competing platform). (Thanks in part to Capcom's Monster Hunter series, which sold more than just books.) But when the Vita launched in 2011, it was obsessed with the smartphone world and only sold an estimated 15 million units.
It’s underrated…. Platform puzzle game “Gravity Rush”. Photo: Sony
The difference this time is that the machine Sony is reportedly developing can play it. existing PlayStation 5 game. The idea seems to be to have a portable and home version of the same console that can play the same games. Bloomberg suggests that Microsoft is also working on portable console prototypes, but none of these may ever make it to market.
Another difference is that cloud gaming has become mainstream. I know a lot of people who used the Vita primarily as a not-so-legal emulator that allowed them to play a ton of retro games, as it was sadly easy to crack. But now, with a PlayStation Plus subscription and fully legal access to Sony's treasure trove of back catalogue, I'm happy to have a handheld gaming console that lets me play most of PlayStation's history without having to buy a game. How many people would pay for it?I'm sure there are many.
Sony did it some There has been experimentation with portable hardware ever since the Vita was discontinued. Late last year, the company released a strange little device called the PlayStation Portal. It's essentially a screen attached to the center of a PlayStation 5 controller, allowing you to stream games from the PS5 and play them in your hands. This has limited practicality, but it's great and I love itSony's hardware design – so I really hope we see a new PlayStation Portable in the next few years, even if it doesn't come loaded with the bite-sized, bespoke games that older handsets enjoyed .
However, as Steam Deck proved, mobile devices can be a game-changer for busy people, as they simply give you more time and opportunities to play, even if you don't have your own dedicated games. For example, the only way to beat Persona 4 was to play it on the vita on the train. With the next portable PlayStation, you could probably manage the last 10 hours of Persona 5.
what to play
Memories… LocoRoco.
When you think about the history of the old portable PlayStation, a few games come to mind. There is LocoLocoa game about a singing blob that's back with this year's Atom Bonus Level. And I spent more than 100 hours with my index finger oddly curled over the PSP's directional button, my hand forming the shape known as Monster Hunter's claw.
And there it is tear awayMedia Molecule's intimate and brilliant Vita platformer is set in a world made of paper. This is the easiest to try as there is a slightly less capable PS4 version. unfolded tear duct Available from the PlayStation Store. It's included with PlayStation Plus, so I just downloaded it to play with my kids this afternoon.
Available: PS4/5 Estimated play time: 8 hours
what to read
Is there a new one on the way? … Bloodborne: The Old Hunters. Photo: Public Relations
If you stick to Sony news, PlayStation 30th anniversary next month. to celebrate, released by Sony There are tons of game soundtracks, timelines, quizzes, and of course some things you can buy.
Shuhei YoshidaThe former head of PlayStation Studios and current head of the company's indie developer initiative will retire from the company in January after 31 years. I last interviewed him last year. He remains one of the friendliest people in the entire gaming industry and one of its most seasoned advocates.
And Sony clearly intends to buy Kadokawa, From Software's parent companyManufacturer of Elden Ring, Dark Souls, and Armored Core. Will we finally get a new Bloodborne?
New version of Microsoft flight simulator have It started in a small state. If you're considering buying one, it's probably best to wait a few months.
Under discussion… Elden Ring: Shadow of the Eld Tree. Photo: unknown/Bandai Namco Europe
leader benjamin This week's question:
“You said your latest Pushing Buttons cost money.” Shadow of the Eld Tree forgame of It's the annual award, but I'm curious. to hear your thoughts First of all, it is a downloadable extension and not a game itself. Wouldn't it set a strange precedent if something that wasn't playable as a standalone could end up being the best game of the year?”
Gaming awards categories such as the Baftas, Game Awards and Golden Joysticks are struggling to keep up with the speed at which video games are evolving. A few years ago, most of them introduced some version of the “games in progress” category to account for games that have been running for years and change frequently, such as Fortnite, No Man's Sky, and Minecraft. did. But now it has become difficult in itself.Does the game have to change in that year to qualify? How about something like Cyberpunk 2077? Although this is not a multiplayer game with continuously new content; did Will it be significantly changed and improved after release? How about a remaster? Should we also consider downloadable expansions? And where should we place games that fit into more than one genre? Every year there are many releases that challenge the definition of categories.
I might end up saying things like this forever. My feeling is that anything released that year, if it's good enough, should be eligible for an award, whether it's an add-on or expansion to an earlier game. Shadow of the Erdtree was over 30 hours long and could very well have been a standalone sequel. That's 10 times longer than some indie games nominated in other categories. Personally, I think it's hard to justify disqualifying this game for technical reasons, but of course I think I'd judge it on its own merits, not the basic game's merits.
If you have any questions for the questions block or anything else you'd like to say about the newsletter, please reply or email us at pushbuttons@theguardian.com.
Teenagers are facing new restrictions on beauty filters on TikTok that are aimed at addressing concerns about increasing anxiety and decreasing self-esteem.
In the near future, users under 18 will not be able to use filters that artificially alter features like enlarging eyes, plumping lips, or changing skin color.
Filters such as “Bold Glamor” that significantly alter a user’s appearance will be affected, while simple comic filters like bunny ears or dog noses will remain available. The changes were announced by TikTok during a safety forum at its European headquarters in Dublin.
Despite these restrictions, the effectiveness depends on users accurately providing their age on the platform.
Beauty filters on TikTok, whether provided by the platform or created by users, are a source of concern as they pressure teenagers, especially girls, to conform to unrealistic beauty standards and can lead to negative emotional impacts. Some young users have reported feeling insecure about their real appearance after using filters.
TikTok will also enhance its systems to prevent users under 13 from accessing the platform, potentially resulting in the removal of thousands of underage British users. An automated age detection system using machine learning will be piloted by the end of the year.
These actions come in response to stricter regulations on minors’ social media use under the Online Safety Act in the UK. TikTok already deletes millions of underage accounts globally each quarter.
Chloe Setter, head of public policy for child safety at TikTok, stated that they aim for faster detection and removal of underage users, understanding that this might be inconvenient for some young people.
Ofcom’s report from last December highlighted TikTok’s removal of underage users and raised concerns about the effectiveness of age verification enforcement. TikTok plans to implement a strict age limit of 13+ for social media users next summer.
Social media platforms will introduce new rules regarding beauty filters and age verification, anticipating stricter regulations on online safety in the future. These adjustments are part of broader efforts to enhance online safety.
Other platforms like Roblox and Instagram are also implementing measures to enhance child safety, reflecting a growing concern about the impact of social media on young users.
Andy Burrows, CEO of the Molly Rose Foundation, emphasized the importance of transparent age verification measures and the need to address harmful content promoted on social media platforms.
The NSPCC welcomed measures to protect underage users but stressed the need for comprehensive solutions to ensure age-appropriate experiences for all users.
The famous marketing slogan that diamonds are forever may be just a slight exaggeration for diamond-based systems that can store information for millions of years. Now, researchers have developed a system with a record-breaking storage density of 1.85 terabytes per cubic centimeter.
Previous technology used laser pulses to encode data onto diamond, but due to its higher storage density, a diamond optical disc with the same capacity as a standard Blu-ray could hold approximately 100 terabytes of data (Blu-ray). (equivalent to approximately 2,000 rays). It lasts much longer than the typical Blu-ray lifespan of just a few decades.
“Once the internal data storage structure is stabilized using our technology, diamond can achieve an extraordinary lifetime of millions of years of data retention at room temperature without requiring maintenance,” he says. Wang Ya at the University of Science and Technology of China in Hefei.
Wang and his colleagues conducted their research using tiny pieces of diamond, just a few millimeters long, but say future versions of the system could use rapidly spinning diamond discs. Their method used ultrafast laser pulses to knock some of diamond’s carbon atoms out of place, leaving single-atom-sized empty spaces, each exhibiting a stable brightness level.
By controlling the laser’s energy, the researchers were able to create multiple empty spaces at specific locations within the diamond, and the density of those spaces influenced the overall brightness of each site. . “The number of free spaces can be determined by looking at the brightness, so the stored information can be read,” Wang says.
The team then saved the images, including a colorful painting by artist Henri Matisse. cat with red fish And a series of photographs taken by Eadweard Muybridge in 1878, showing a rider on a galloping horse, maps the brightness of each pixel to the brightness level of a specific region within a diamond. The system stored this data with over 99% accuracy and completeness.
This preservation method is not yet commercially viable because it requires expensive lasers, high-speed fluorescence imaging cameras, and other devices, Wang said. But he and his colleagues hope that the diamond-based system can eventually be miniaturized to fit in a space the size of a microwave oven.
“In the short term, government agencies, research institutes, and libraries with a focus on archives and data preservation may be eager to adopt this technology,” he says.
a■ As Democrats consider how to counter the Trump administration, they need to accept a very simple lesson from the past eight years. Big tech and corporations are part of the opposition forces working on behalf of Donald Trump, not allies of the Democratic Party working against Trump and Trumpism.
One would think there is no need to point out what appears to be an obvious fact. Still, some Democrats are trying to get closer to big tech companies and downplaying the importance of antitrust policy regarding authoritarian risks. For example, a few days ago, the largest Democratic superpack, Priorities USA, held a large resistance strategy session sponsored by “friends of google“.
As another example, Adam Jentleson, political writer and former chief of staff to U.S. Sen. John Fetterman, writes: recent works The New York Times particularly criticized the fight against monopolies as a “niche issue.” He argued that there was a dichotomy between table issues and challenging corporate power, and that the focus should be on the former.
The belief that big technology, and big business more broadly, serves the Democratic Party has already been tested and turned out to be untrue.
When Trump was elected in 2016, one of the central pillars of Democratic resistance was to use big tech platforms as a counterbalance. If you remember, Google’s CEO also Participated in anti-Trump demonstration. Google, Facebook, YouTube, Instagram, and pre-Elon Musk’s Twitter have been reprimanded for using technology that enables extremism, but Democrats are pushing for changes to regulation of algorithm design, liability rules, or Instead of moving aggressively to split, it focused on encouraging platforms on editorial policy.
The assumption was that they would be able to defeat Trump and Maga-ism and corral them into a set of “correct” editorial practices that would help limit the scope of his rhetoric in the short term. This is the context in which the “misinformation and disinformation” framework arose.
We use this phrase all the time, but it’s worth thinking about how strange it is. Misinformation can refer to inadvertent lies and disinformation can refer to intentional lies, but the term can also encompass information that is factually correct but misleading, such as information about Barack Obama. there is. claimed In 2022, “suppression of true information” will occur if such suppression is carried out for purposes such as “political gain” or “targeting people you don’t like.”
These new categories not only infuriated those caught up in broad and vague definitions, but also diverted Democratic attention away from issues of power. The misinformation/disinformation framework is partially compatible with partnering with big tech companies as an anti-fascist alliance. We, the science-based Democratic Party, will succeed in working with the world’s largest technology companies to protect America.
Eight years later, Democrats lost the White House, the House of Representatives, and the Senate. Major tech platforms are full of extremist content. Big tech companies should no longer look like allies. Not only is Mr. Musk fully entrenched at the top of the power table, right next to Mr. Trump, but the CEOs of Meta, Alphabet, Apple, and Amazon all reached out to Mr. Trump before the election. He probably took it seriously. his threat Mark Zuckerberg would go to jail if he opposed it, but he’s probably just recognizing that Trump is the titan of deregulation.
musk He is said to have participated in Recent phone conversation between President Trump and Google CEO. It is expected that dozens of such meetings at the highest level will occur and strong relationships will emerge. And instead of repeatedly claiming that the tech giants have too much power, we have spent eight years arming them with language they can use to suppress dissent.
repetitionvote It turns out that voters actually hate corporate monopolies, and that antitrust politics is very popular. I don’t want to overstate this point – for 30 years, from 1980 to 2020, antitrust politics disappeared in America. It’s fair to argue that we can do more experimentation with how we talk about anti-monopoly policy, especially towards big tech companies. that. But we should be very concerned about its content.
Facebook, Google, and Amazon have destroyed local journalism, a real bulwark against authoritarian leaders, while coddling real dictatorships. They currently dominate the digital advertising industry. According to a recent study, if news organizations were paid the profits they made by acting as intermediaries between readers and writers, Expected to be delivered between $12 billion and $14 billion One year. The very journalists and news organizations we rely on for fact-checking and fact-checking fear being shadowbanned. Jeff Bezos’ fear of President Trump shows how it affects editorial content.
Thankfully, thanks to the work of the Department of Justice under Assistant Attorney General Jonathan Cantor, Google has been officially recognized by the courts as an illegal monopoly, and other antitrust cases involving Facebook and Amazon have The case is pending in court. But even if Google is forced to sell Chrome, which seems possible, it now seems grotesque that Democrats in power can’t bring serious tech-disruption legislation to a vote. He didn’t seem to be trying to stop the emerging power couple of Trump and tech.
As experts try to sort out the lessons of how Kamala Harris lost an election she looked like she could win, we look back further and remember the real lessons of 2016. That would be good. The idea is that to align with the big tech oligarchy is to align with the state. Democratic Party and the Destruction of Democracy.
Zephyr Teachout is a professor at Fordham Law School and author of Break ‘Em Up: Recovering Our Freedom from Big Ag, Big Tech, and Big Money.
Some of the icy moons in the Jupiter and Saturn systems appear to have oceans of liquid water inside them. Although our knowledge of Uranus' moons is more limited, future tours of the Uranian system may be able to detect subsurface oceans. To plan for this, we need to understand how the internal structure of satellites, with and without oceans, relates to observable quantities. New research from the University of Texas Geophysical Institute and the University of California, Santa Cruz shows it may be possible to diagnose the presence or absence of liquid water oceans inside some of Uranus' moons, including Miranda and Ariel. There is, Umbriel, and it is thought that this, combined with measurements of the gravitational field, may provide comprehensive constraints on the internal structure and history of Uranus' moons.
Uranus' four major moons, Ariel, Umbriel, Titania, and Oberon, may have oceanic layers. Salty seas, or salty seas, are found beneath the ice and above water-rich and dry rock layers. Miranda is too small to retain enough heat in the ocean layer. Image credit: NASA/JPL-Caltech.
When NASA's Voyager 2 flew by Uranus in 1986, it took grainy photos of the large icy moon.
Now, NASA plans to send another spacecraft to Uranus, this time equipped to see if those icy moons hide oceans of liquid water.
The mission is still in the early planning stages, but planetary researchers are preparing by building a new computer model that can be used to detect oceans beneath the ice using only the rover's cameras.
Their computer model works by analyzing the moon's tiny vibrations, or wobbles, as it orbits its parent planet.
From there, you can calculate how much water, ice, and rock is inside. A small wobble means the moon is mostly solid, while a large wobble means its icy surface is floating in an ocean of liquid water.
When combined with gravity data, the model calculates the depth of the ocean and the thickness of the overlying ice.
Dr. Doug Hemingway, a planetary scientist at the University of Texas Geophysical Institute, said: “If we find that Uranus' moons have an inland ocean, it means there are a huge number of potentially habitable worlds across the galaxy. It may mean,” he said.
“The discovery of oceans of liquid water on Uranus' moons will change our thinking about the range of possibilities for life.”
All large moons of the solar system, including the moons of Uranus, are tidally locked.
This means that the same side always faces the parent planet while orbiting, as the gravity matches their rotation.
However, this does not mean that the satellite's rotation is completely fixed; all tidally locked satellites will oscillate back and forth during their orbit.
Determining the extent of the wobble is key to learning whether Uranus' moons have oceans, and if so, how large.
A satellite with an ocean of liquid water splashing inside will wobble more than one that is entirely solid. However, even the largest oceans experience only small wobbles. The moon's rotation can shift by just a few hundred feet as it passes through its orbit.
This is still enough for a passing spacecraft to detect it. In fact, this technique was previously used to confirm that Saturn's moon Enceladus has an internal ocean.
To find out whether the same technique would work on Uranus, Dr. Hemingway and his colleague Dr. Francis Nimmo of the University of California, Santa Cruz performed theoretical calculations on Uranus's five moons, using a variety of the most I came up with a plausible scenario.
Detecting smaller oceans means the spacecraft will need to get closer or carry more powerful cameras.
“The next step is to extend the model to include measurements from other instruments and see how this improves the interior of the satellite,” Dr. Hemingway said.
of the team work Published in a magazine Geophysical Research Letters.
_____
DJ Hemingway and F. Nemo. 2024. Search for the underground ocean inside Uranus's moon using balance and gravity. Geophysical Research Letters 51 (18): e2024GL110409;doi: 10.1029/2024GL110409
This article is a version of a press release provided by the University of Texas.
UNESCO has issued a warning that social media influencers urgently need help in fact-checking before sharing information with their followers to prevent the spread of misinformation online.
A report by UNESCO revealed that two-thirds of content creators fail to verify the accuracy of their material, leaving both them and their followers susceptible to misinformation.
The report emphasized the importance of media and literacy education to assist influencers in shaping their work based on accurate information.
Creators’ susceptibility to misinformation due to low fact-checking practices can have significant implications for public discourse and trust in the media, according to UNESCO.
While many creators do not verify information before sharing it, they often rely on personal experiences, research, and conversations with knowledgeable individuals as their primary sources.
UNESCO’s study revealed that the popularity of online sources, measured by likes and views, plays a significant role in creators’ trust, highlighting the need for improved media literacy skills.
To address this issue, UNESCO is collaborating with the Knight Center for Journalism of the Americas to offer an online course on becoming a trusted voice online, focusing on fact-checking and creating content during elections or crises.
Media literacy expert Adeline Hulin noted that many influencers do not perceive their work as journalism, highlighting the need for a deeper understanding of journalistic practices and their impact.
Additionally, UNESCO’s findings indicated a lack of awareness among creators regarding legal regulations, with only half of them disclosing sponsors and funding sources to their audience, as required in some countries.
The survey, involving 500 content creators from various countries, revealed that most influencers are nano-influencers under 35 years old, primarily using Instagram and Facebook, with up to 100,000 followers.
Archaeologists have uncovered an entrance to a large stone temple in an ancient Egyptian town, Athribis, near the modern city of Sohag.
The south tower of the Athribis pylon and the hill behind it. It is believed that there is a sanctuary here. Image credit. Marcus Müller, Athribis Project.
“The entrance to the temple in the rock appears to lie beneath a still-untouched pile of rubble behind it,” said archaeologists Professor Christian Reitz and Dr Markus Müller from the University of Tübingen.
“Since 2022, we have been working with Mohamed Abdelbadia of the Egyptian Antiquities Authority and the Egyptian team at Asribis to excavate the large stone temple.”
“Excavations have been underway since 2012 to reveal an ancient temple district built between 144 BC and 138 AD.”
“The width of the complex was a total of 51 meters, and the monumental temple entrance towers were each 18 meters high.”
“Today there is only about five meters left. The rest was sacrificed to quarrying,” they added.
“Thanks to the fallen coins, the removal of this stone may have taken place in 752 or shortly thereafter.”
Archaeologists also discovered a relief of a king offering a sacrifice to the lion-headed goddess Lepit and her son Kolantes.
A newly discovered hieroglyphic inscription reveals for the first time which king was responsible for the decoration of the pylon, and perhaps also for its construction: Ptolemy VIII in the 2nd century BC.
“We unexpectedly encountered a previously unknown chamber in the northern tower,” the researchers said.
“We used air cushions, wooden scaffolding and rollers to remove ceiling blocks weighing approximately 20 tonnes.”
“We found a chamber about 6 meters long and 3 meters wide.”
“It was a storage room for temple utensils and was later used to store amphora.”
“A corridor led to the room through a pylon, allowing access from outside.''
“This entrance is also decorated with reliefs and hieroglyphs,” they added.
“Once again we see the goddess Lepit, but on the opposite door frame the fertility god Min is depicted, along with two very rarely depicted beings, the falcon-headed decan (who can measure the hours of the night) It is accompanied by a star.
“Unique in Egyptian temple architecture is the second door in the façade of the pylon, which opens onto a previously unknown staircase that led to the upper floors on at least four floors. It has now been destroyed and further storage rooms may be rebuilt there.”
“Finely smoothed limestone blocks in vertically cut rock facades may belong to rock sanctuaries,” says Professor Wrights.
“The finds over 3 meters high and the typical decorations at the top of the temple, such as the cobra frieze, indicate that there may have been a door behind the temple.”
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