Following a dry run of Taiwan’s presidential election this year, China is anticipated to disrupt elections in the United States, South Korea, and India with artificial intelligence-generated content, as warned by Microsoft.
The tech giant predicts that Chinese state-backed cyber groups will target high-profile elections in 2024, with North Korea also getting involved, according to a report released by the company’s threat intelligence team.
“As voters in India, South Korea, and the United States participate in elections, Chinese cyber and influence actors, along with North Korean cyber attack groups, are expected to influence these elections,” Microsoft mentioned.
Microsoft stated that China will create and distribute AI-generated content through social media to benefit positions in high-profile elections.
Although the immediate impact of AI-generated content seems low in swaying audiences, China is increasingly experimenting with enhancing memes, videos, and audio, potentially being effective in the future.
During Taiwan’s presidential election in January, China attempted an AI-powered disinformation campaign for the first time to influence a foreign election, Microsoft reported.
The Beijing-backed group Storm 1376, also known as Spamoflage or Dragonbridge, heavily influenced Taiwan’s elections with AI-generated content spreading false information about candidates.
Chinese groups are also engaged in influencing operations in the United States, with Chinese government-backed actors using social media to probe divisive issues among American voters.
In a blog post, Microsoft stated, “This may be to collect intelligence and obtain accurate information on key voting demographics ahead of the US presidential election.”
The report coincides with a White House board’s announcement of a Chinese cyber operator infiltrating US officials’ email accounts due to errors made by Microsoft, as well as accusations of Chinese-backed hackers conducting cyberattacks targeting various entities in the US and UK.
A new genus and species of elasmosaurid, a type of plesiosaur with a very long and slender neck, has been identified from fossilized remains found near the site. marambio basea permanent year-round Argentine Antarctic base on Marambio Island.
rebuilding the life of Marambionectes molinai. Image credit: O'Gorman other., doi: 10.1080/14772019.2024.2312302.
Elasmosaurs are members of Elasmosauridaea family of plesiosaurs that flourished during the Cretaceous period, approximately 145 million to 66 million years ago.
These creatures were perfectly adapted to aquatic life and had a unique body shape consisting of a streamlined body, paddle-like limbs, and an extremely long neck with up to 75 vertebrae.
The new species is Marambionectes molinai lived in the Cretaceous seas about 67 million years ago.
The fossil was recovered from the upper layer. López de Bertodano's formation February 2018, James Ross Islands, Antarctic Peninsula.
“The collected remains were Marambionectes molinai This includes parts of the torso and tail, limbs, neck and skull, as well as gastroliths called gastroliths, which were probably used for the mechanical digestion of food,'' CONICET paleontologists said. said. Jose O'Gorman and his colleagues.
“They were rescued in the first operation, but it was an intense and tiring experience punctuated by several days of snowstorms. The research team was isolated in a shelter, waiting for better weather to complete the work. Ta.”
material of Marambionectes molinai. Image credit: O'Gorman other., doi: 10.1080/14772019.2024.2312302.
Phylogenetic analysis is restored Marambionectes molinai within a clade Weddelonexia As a sister group of sub-families Arisnectinae.
In this sense, the authors suggest that some of the skeletal features of Alysnectinians may have been acquired through a process that began in the non-Alysnectinian elasmosaurids, prior to the emergence of this clade. are doing.
“Although not perfect, the overall state of preservation of the specimen is exceptional, even for skull material,” the paleontologists said.
“We confirm that it is not only a new species, but also has special characteristics that allow us to identify it as a form of transition between two groups that lived in the southern hemisphere. It has shed light on the evolutionary processes and relationships between the genera and other genera found in Chile, New Zealand, and West Antarctica. ”
discovery of Marambionectes molinai is reported in paper inside Journal of Systematic Paleontology.
_____
Jose P. O'Gorman other. 2024. New elasmosaurids (plesiosaurs: Sauropterygia) from the López de Bertodano Formation: new data on the evolution of alisnectin morphology. Journal of Systematic Paleontology 22(1); doi: 10.1080/14772019.2024.2312302
The White House requested NASA to establish a standard time for the moon and other celestial bodies, as the U.S. seeks to lead in space standards amidst growing competition for lunar resources among nations and private entities. The directive was issued by the director of the White House Office of Science and Technology Policy (OSTP).
NASA has been tasked with collaborating with other U.S. government agencies to create a plan by the end of 2026 to implement a timekeeping system in space, known as Coordinated Lunar Time (LTC), according to a memo obtained by Reuters.
Variations in gravity on celestial bodies, among other factors, influence the passage of time differently than on Earth. LTC serves as a reference for timing lunar missions that require extreme precision for spacecraft and satellites.
Kevin Coggins, NASA’s space communications and navigation chief, explained, “A clock that works accurately on Earth will run at a different pace on the moon.”
According to the memo from OSTP Director Arati Prabhakar, Earth-based clocks would lose approximately 58.7 microseconds per day for individuals on the Moon, leading to a further time deviation. Periodic fluctuations are also a factor.
Coggins likened the atomic clocks at the U.S. Naval Observatory to the heartbeat of the nation, emphasizing the importance of synchronization in space.
NASA’s Artemis program aims to land astronauts on the moon and establish a scientific base to aid future Mars missions. Numerous companies, spacecraft, and countries are involved in this venture.
Uniform lunar time standards are deemed crucial by OSTP officials to ensure data security between spacecraft and synchronize communications between Earth, lunar assets, and astronauts, preventing errors in mapping and location tracking.
The deployment of an atomic clock on the moon’s surface may be necessary as commercial activities expand to ensure operational coordination, transaction reliability, and logistical efficiency.
The United States, which has previously landed astronauts on the moon, faces competition from other countries like China, Japan, and India with their own lunar exploration plans.
The memo also highlights the importance of defining Coordinated Lunar Time through existing standards bodies and agreements like the Artemis Accords, emphasizing the need for international cooperation in space.
Coordinated Universal Time plays a role in implementing Coordinated Lunar Time, with the United Nations’ International Telecommunication Union defining it as an international standard.
Initial predictions for the upcoming Atlantic hurricane season indicate that it could be particularly severe and potentially break records.
Colorado State University, a renowned center for hurricane and tropical weather forecasting, has released forecasts stating that there could be 11 hurricanes, with five of them potentially reaching Category 3, 4, or 5 status, which means wind speeds of at least 111 mph. In total, researchers anticipate 23 named storms for this season.
“This is the most accurate forecast we’ve made for April,” stated Colorado meteorologist and Atlantic hurricane forecaster Philip Klotzbach during a video news conference.
On average, an Atlantic hurricane season typically sees 14 named storms, seven hurricanes, and three major hurricanes (Category 3 or higher), according to the National Hurricane Center.
The primary reasons for the above-average expectations for the upcoming season (June 1 to November 30) are the unprecedented levels of warmth in the Atlantic Ocean and the natural fluctuations caused by La Niña. Ocean temperatures have hit record highs in the past year, enhancing the probability of potent storms and potentially intensifying them at a faster rate.
According to Colorado’s forecast, there is a 62% likelihood of a major hurricane striking the U.S. coastline, an increase of about 19% from the norm. However, this projection was disclosed earlier this year and will be updated as the season progresses. The National Oceanic and Atmospheric Administration has yet to release its forecast.
Other hurricane experts also express concerns about the combination of unnatural ocean warming and La Niña’s natural impacts.
“All signs point towards what could potentially be a highly active hurricane season in 2024, with very powerful hurricanes. That’s definitely something to be worried about,” remarked meteorologist and hurricane expert John Morales from NBC 6 South Florida.
Sea surface temperatures are climbing globally, setting new daily records for over a year. This trend has baffled marine scientists and is likely influenced by climate change. Some of the most significant temperature anomalies have been observed in the waters off the west coast of Africa, where many Atlantic hurricanes that hit the U.S. East Coast originate.
“The ocean heat content in the tropical eastern Atlantic is currently *3 months* ahead of the norm,” noted Brian McNoldy, a senior research scientist at the University of Miami’s Rosenstiel School of Ocean, Atmospheric, and Earth Sciences, in a tweet. In simpler terms, the ocean’s current heat levels resemble those of a typical July.
Ocean heat serves as fuel for extreme storms. If a hurricane’s winds intensify suddenly as it nears the coast, there is a heightened risk of rapid intensification. In recent years, there has been an observed uptick in such intensification. Last year, Hurricane Idalia rapidly strengthened from a Category 1 to a Category 4 storm within 24 hours.
Morales expressed that this swift intensification is “one of the greatest concerns I’ve had to keep to myself over the past 15, 20 years as a hurricane forecaster.”
“Eventually, we’ll witness a mundane tropical storm transform into a Category 4 hurricane by the time it makes landfall in Miami 36 hours later,” he warned. “And individuals may not have made the essential preparations.”
While spying in Mallorca, Kristen Ager-Hansen received an email from the Conservative party headquarters. The email expressed gratitude for his interest in attending a private dinner with Suela Braverman, who was the Home Secretary at the time and oversaw Britain’s security services.
Ager Hansen, a Norwegian businessman, claimed to employ veterans of CIA, Mossad, and MI6 in his operations, catering to clients like eccentric billionaires with services ranging from surveillance to social engineering.
In July 2023, the Conservative Party received a £70,000 donation from nChain, a company where Ager Hansen was the CEO. Questions arose about the legitimacy of the donations and the scrutiny on the money influencing British politics.
Ager Hansen’s controversial past included orchestrating stings and covert operations, leading to his appointment as nChain’s CEO. He had confrontations with the law and creditors, showcasing his aggressive and unconventional tactics.
Despite the questionable donations and connections, Ager Hansen continued to make moves in high-profile circles, engaging with influential figures like Rishi Sunak and proposing lucrative projects to the Conservative Party.
Arger Hansen claims he orchestrated the sting to discredit lawyers litigating cases in the cryptocurrency industry. Photo: Rex/Shutterstock
“Data geek and intelligence officer”
Ager Hansen’s tumultuous career, marked by bankruptcies and legal issues, culminated in his role as nChain’s CEO. His aggressive and unorthodox approach to business and personal conflicts shaped his reputation as a street fighter.
His involvement in high-stakes operations with a team of experts from intelligence agencies painted a picture of a complex and controversial individual who thrived in chaotic environments.
Suela Braverman, then Home Secretary, at the 2023 Conservative Party Conference. Photo: Christopher Thomond/The Guardian
“Serious and inappropriate”
The Conservative Party’s association with Ager Hansen raised concerns about transparency and accountability, especially regarding the donations and the nature of his past operations. The party’s handling of the situation and his subsequent dismissal from nChain added to the controversy surrounding his actions.
Despite the fallout, Ager Hansen’s connections and proposed projects continued to spark intrigue and speculation, highlighting the complex web of relationships and influences within British politics.
Anders Gillian was only 17 years old when he started to lose touch with reality.
“He believed there was a higher being communicating with him, telling him what to do and who he was,” said his mother, Christine Gillian, who lives in Nashville. ‘ he said.
Her son, who had been using marijuana since he was 14, was diagnosed with schizophrenia, a chronic mental illness with symptoms such as delusions, hallucinations, and incoherent speech.
He began taking antipsychotic medication but eventually stopped due to side effects. He turned to heroin to quiet the voices in his head and tragically died from an accidental drug overdose at age 22 in 2019.
“If he hadn’t started using marijuana, he might still be here today,” says Gillian, a neuroscientist at Vanderbilt University. Despite having a family history of schizophrenia, she believes her son’s marijuana use triggered a psychotic episode and led to his condition.
Anders was part of a group of young men at heightened risk of developing psychosis due to marijuana use. Studies from Denmark and Britain suggest a connection between heavy marijuana use and mental disorders like depression, bipolar disorder, and schizophrenia. Researchers believe that the increased potency of THC, the psychoactive compound in marijuana, may exacerbate these symptoms in individuals predisposed genetically. THC levels in marijuana have been rising over the years.
Kristen Gilliland holds a photo of her son Anders, who was diagnosed with schizophrenia due to marijuana-induced psychosis and died of an accidental overdose.NBC News
“We’re seeing a rise in marijuana-induced psychosis among teenagers,” said Dr. Christian Thurstone, an addiction expert and child psychiatrist at the University of Colorado School of Medicine in Denver.
Is higher potency marijuana more dangerous?
Nora Borkow, director of the National Institute on Drug Abuse, stated that the higher the potency of a cannabis product, the more negative effects it is likely to have on users.
“Those who consume higher doses are at a greater risk of developing psychosis,” she explained.
Research on the adverse effects of high THC levels is limited, but a 2020 study found that high-potency cannabis products were associated with an increased risk of hallucinations and delusions compared to lower-potency variants.
“There seems to be a correlation between potency and the risk of psychosis, but further research is needed,” said Ziva Cooper, director of UCLA’s Center for Cannabis and Cannabinoids.
Research suggests that a proportion of individuals with cannabis-induced psychosis may go on to develop schizophrenia or bipolar disorder.
Mr. Thurstone highlighted the particular concern regarding young people and adolescents.
“Current research shows that the risk of psychosis is dependent on the dose of marijuana, especially during adolescence. Higher exposure during this critical period increases the likelihood of psychosis, schizophrenia, and potentially severe mental illnesses,” he stated.
More news about marijuana and health
Another issue with high-potency products is the risk of developing cannabis use disorder or marijuana addiction. Increased exposure to stronger cannabis products may lead to addiction, although more research is required to definitively establish this connection.
“There is clear scientific evidence that marijuana can be psychologically addictive and habit-forming, and even physically habit-forming,” Thurstone warned. “It creates tolerance, requiring increased usage for the same effect.”
How the potency of cannabis is related to psychosis
Marijuana overstimulates cannabinoid receptors in the brain, leading to a high. This stimulation can impair cognitive functions, memory, and problem-solving abilities.
While the exact mechanisms of how marijuana induces psychosis are not fully understood, scientists believe it interferes with the brain’s ability to differentiate between internal thoughts and external reality.
“In the ’60s, ’70s, ’80s, and early ’90s, marijuana had THC content of about 2% to 3%,” noted Thurstone, highlighting the significant increase in potency levels in recent years.
Patrick Johnson, an assistant store manager at Frost Exotic Dispensary in Colorado, has witnessed the rise in potency firsthand, especially after the legalization of recreational marijuana in 2014.
Since then, 24 states, two territories, and Washington, D.C., have legalized marijuana for medical and recreational use.
As cannabis consumption grows across the nation, the demand for high-potency products is increasing, experts suggest.
“After legalization, I’ve seen potency rise from 19-20% to 30-35%,” Johnson remarked.
Currently, his store offers strains ranging from 14% to 30%, with most customers preferring stronger varieties.
Mahmoud Elsohly, a cannabis researcher at the University of Mississippi, explained that one reason for increased potency is users developing tolerance to the drug over time. This has led to a steady increase in THC content over the years.
“People need more potent products to achieve the desired high,” he noted.
Previously, a joint with 2% THC might have been enough, but as tolerance develops, individuals may need multiple joints or higher THC concentrations for the same effect.
Are some forms of marijuana safer?
Cannabis potency primarily refers to the THC content in the smokable parts like the flower or bud.
THC levels in flowers can reach up to 40%, while concentrates and oils may contain levels as high as 95%.
The challenge, according to UCLA’s Cooper, lies in the absence of a standardized dose for cannabis products, making it hard to predict individual reactions.
Establishing unit doses for inhaled products is also complicated. A joint can contain 100 to 200 milligrams of THC, but factors like inhalation depth and frequency of puffs affect actual exposure.
Borkow of the National Institute on Drug Abuse believes that excessively high THC levels may induce extreme reactions like agitation and paranoia, predicting that marijuana flower THC levels won’t exceed 50%.
Cooper added that there is a threshold for THC production, but manufacturers are finding innovative ways to increase potency.
“The industry is boosting THC levels in plant products by adding extra THC, like injecting it into pre-rolled cannabis cigarettes,” she said. “We’re witnessing higher THC exposure levels than ever before.
MRI scans may improve prostate cancer screening accuracy
Skynesher/Getty Images
There is both good news and bad news when it comes to prostate cancer testing. First, the bad news. Blood tests that measure a compound called prostate-specific antigen (PSA) are too inaccurate. As a result, some men end up undergoing cancer treatments they didn’t actually need, causing incontinence and erectile dysfunction.
On the other hand, combining a PSA test with an MRI scan of the prostate can make screening more accurate, especially if double testing is recommended only for people at high risk of tumors. An expert group called the Lancet Committee on Prostate Cancer made this recommendation in a new report.
We certainly need to rethink prostate screening, but will these new proposals succeed in reducing harm?
Prostate testing has long been controversial. PSA is released at high levels by cancerous prostate cells, but is also produced at low levels by healthy prostate cells.
Blood tests were introduced as a way to track the success of cancer treatment. It began being used as a screening test in the 1990s, in part as a result of a campaign by men’s health groups for something comparable to breast cancer testing.
The problem is that PSA alone is not reliable as a screening tool. Levels may rise temporarily, such as after sex, during a urinary tract infection, or while riding a bicycle. Even if the increase continues, most prostate cancers grow so slowly that if left untreated, they will never be noticed or cause any problems.
These problems wouldn’t be so important if it weren’t for the fact that the treatments used to remove the cancer (usually surgery or injecting radioactive material into the tumor) can cause permanent incontinence and erectile dysfunction. It would have been. Biopsies to determine whether cancer is present can also cause these problems.
randomized trial It has been shown that for every 1,000 men who undergo regular PSA testing, one fewer man will die from prostate cancer over a 10-year period, but three will remain incontinent and 25 will remain impotent.
These disturbing figures are forcing health services in most high-income countries, including the UK and Australia, into uneasy compromises. Unlike breast and colorectal cancer tests, no invitations for prostate tests will be sent out, but those who wish to undergo the test can take it if the risks are explained to them.
As a result, higher-income men are more likely to take the PSA test, and lower-income and black men are less likely to be tested, the new report says. This is unfortunate because men of African descent are about twice as likely to develop prostate cancer as men of European descent.
The report’s authors say health systems need to use more sophisticated forms of screening, including both PSA tests and MRI scans. This scan allows your doctor to assess the size of your prostate and identify suspicious areas that may be cancerous.
Something close to this dual method is already in place in some countries, including the UK, where the next step for people found to have high PSA levels is an MRI scan. This means that people who are reassured by their scan results can avoid a more invasive biopsy. “This greatly reduces the problem of overdiagnosis,” he says. nicholas james, a researcher at the Institute of Cancer Research in London and one of the authors of the report.
But James says it may be even better to combine the PSA test with an MRI scan before the results are fed back to avoid men being mistakenly told they may have cancer.
The committee says health care organizations should use this combined approach to launch formal screening campaigns targeting three groups known to be at high risk. Black men, people with a family history of prostate cancer, and men who have a mutation in one of their prostate cancers. BRCA Genes also associated with breast cancer.
This would avoid the current situation where men at low risk are probably getting too many PSA tests, while men at high risk are getting too few or no PSA tests.
The proposal is certainly suggestive, but it remains to be seen whether it will discourage people from getting prostate exams. recently” cure cancer phobia.
The arrival of the PSA test may be like opening a Pandora’s box, James says, but the proposed new approach will likely alleviate at least some of the harm.
Inmates at New York State’s Woodbourne Correctional Facility will finally have the opportunity to view Monday’s solar eclipse, as announced by lawyers representing the inmates who filed a lawsuit on Thursday.
Six inmates at a medium-security men’s prison in Woodbourne, upstate New York, took legal action against the state Department of Corrections and Community Supervision for not allowing them to witness the eclipse.
The prisoners argued that being denied the chance to see the total solar eclipse was a violation of their religious rights, as they considered it a religious event.
Lawyers involved in the case, Chris McArdle, Sharon Steinerman, and Madeline Byrd from Alston & Byrd, confirmed that the Department of Corrections had agreed to allow the inmates to view the eclipse.
2001, Woodbourne Correctional Facility, Sullivan County, New York. Ruth Fremson/New York Times, via Redux
“In response to our lawsuit alleging religious discrimination, the state of New York has entered into a binding settlement agreement allowing six of our clients to view the solar eclipse in accordance with their sincerely held religious beliefs. We are pleased to do so,” they stated in a written release.
After this agreement, the lawsuit filed last week was dismissed. The lawsuit also requested solar eclipse glasses.
Daniel Martucello III, the acting secretary of the department, issued a memorandum on March 11 instructing all facilities to follow a holiday schedule on the day of the eclipse. As per the complaint, the inmates were confined to their cells.
The Department of Corrections mentioned that they had initiated an inquiry into religious requests to view the eclipse, including those from six Woodbourne inmates, even before the lawsuit was filed.
The department stated that they “continued to evaluate and address the matter while the lawsuit was ongoing” and ultimately agreed to allow these six individuals to witness the eclipse.
The lawsuit referenced instances of darkness in religious scriptures such as during the crucifixion of Jesus Christ in Christianity and the eclipse of the sun during significant events in Islam.
On Monday, there will be a visible total solar eclipse in the United States for the first time since August 21, 2017. The next solar eclipse visible in the United States will occur in 2044.
During a total solar eclipse, the sky will darken in the middle of the day.
Despite Woodbourne not being in the path of the total solar eclipse, around 3:25 p.m., the sun will be partially covered by the moon. NASA’s “Solar Eclipse Explorer” website
Be cautious of counterfeit eclipse glasses. A genuine pair should have a silver front lens and a black interior. It should be clearly marked with the manufacturer’s name and address and should not be damaged. Look for the ISO logo and code “IS 12312-2” on the inside as well.
If you don’t have eclipse glasses, you can make a DIY pinhole projector using white cardboard or paper, aluminum foil, and a pin. Cut a small square or rectangle in the center of the material, cover it with foil, and create a small hole with a pin. This projector allows you to safely view the sun’s image on a surface.
During a solar eclipse, position a second piece of material as a screen on the ground, hold the projector with the foil facing up, and adjust the distance to change the image size on the screen.
Important things to note when observing a total solar eclipse
Along the path of the eclipse, there are significant moments to witness as the event progresses.
As the sun dims during the eclipse, the surroundings start to darken, creating an eerie atmosphere.
The “diamond ring effect” was demonstrated after a total solar eclipse at Palm Cove in Australia’s tropical north Queensland state in 2012. Greg Wood/AFP – Getty Images File
Stay alert for the “diamond ring effect” as the last sunlight disappears, creating an illuminated halo around the sun and a diamond-like appearance.
As the light diminishes further, the Moon’s rough terrain creates Bailey beads. These small light beads are visible briefly as the remaining sunlight filters through the moon’s surface.
When the moon completely covers the sun, it is safe to remove your eclipse glasses and observe the total solar eclipse directly with the naked eye.
Music can stimulate emotions such as joy, sadness, and anger
Tim Roberts/Getty Images
Scientists have discovered musical patterns that can make our hearts beat faster or make our stomachs feel like they're doing somersaults.
When a chord sequence of three or more notes played at the same time goes in a different direction than we expect, it seems to cause a strong sensation around the heart, but it follows an easily predictable pattern. The thing causes strong sensations around the heart. As if it hit us directly in the gut.
“Music has a unique power to stir emotions that cannot be expressed in words,” he says. Tatsuya Daikoku at the University of Tokyo in Japan. “It's not just an auditory experience, it's a physical experience. Sometimes when music comes on, my body shivers or I feel a warmth around my heart, and that's a feeling that's hard to describe in words.”
Researchers have already shown that music can evoke strong emotional responses, but pianist and composer Daikoku and his colleagues want to know where in the body people feel those emotions. I thought. To find out, they first used analysis and statistics software to analyze his 890 songs from the US Billboard Hot 100 chart.
The software determined that the song's chord-to-chord sequences were various variations with high or low levels of both surprise and uncertainty. For example, in some sequences, a low surprise, low uncertainty code may be followed by a low surprise, low uncertainty code, or a low surprise, low uncertainty code may be followed by a low surprise, low uncertainty code. , there are also sequences of codes with low uncertainty but high surprise.
From this, the researchers created 92 musical segments consisting of four chord sequences. Each segment represents one of eight different combinations of surprise and uncertainty. He then asked 527 volunteers to listen to various sets of all eight chord patterns while viewing a silhouette of a human body online.
Listeners were instructed to click where they felt a physical reaction within 10 seconds of listening to the music. They then completed an online survey about the emotions they felt when they heard the chords.
The researchers found that if the first three chords followed an easily predictable pattern, the main difference in physical sensation had a lot to do with what happened on the fourth chord. If that fourth chord follows the expected pattern, people will feel it in the abdomen, but if it deviates from the expected pattern, they will feel it around the heart.
Regarding emotions, participants reported greater feelings of calm, relief, contentment, nostalgia, and empathy when chord progressions followed a predictable pattern. If his first three chords were predictable and his fourth chord unsurprising, even if it was relatively difficult to predict, it was generally less awkward and less predictable compared to other chord arrangements. Feelings of anxiety were reduced.
The results of this study “revealed how music affects not only our ears, but also our bodies and minds,” Daikoku said. “Music has the power to elicit these strong, embodied emotions, leading us to understand our inner emotional landscape in a way that words cannot.” With this understanding, someday That could lead to better mental health interventions, he says.
Slice of the universe's largest 3D map showing the fundamental structure of matter
A collaboration between Leah Raman and DESI. Custom colormap package with cmastro
The largest 3D map of the universe ever created offers hints about the evolution of the universe and suggests we may be wrong about the behavior of dark energy, which makes up most of the universe. I am. This mysterious power may weaken over time.
“If it can be maintained, this is a very big deal,” he says Adam Rees Johns Hopkins University in Maryland discovered the first evidence of dark energy 25 years ago. That's because the standard model of cosmology, called the lambda CDM, suggests that the intensity of dark energy should not change over time.
Dark energy is thought to cause the accelerated expansion of the universe. If it is not static, it could also have major implications for our ideas about the universe's beginning, its size, and ultimate fate. Mr. Reese, who was not involved in the new work, said the impact was that “we… [our understanding of] “Gravity and Field”.
This strange finding comes from the Dark Energy Spectroscopy Instrument (DESI) in Arizona, where even DESI collaborators say data suggests dark energy may be weakening in recent times. I don't really know what to make of that fact. A DESI spokesperson said: “Whether this is interesting or not, this is all we have been talking about in this collaboration for months.” Kyle Dawson at the University of Utah.
DESI researchers investigated the strength of dark energy by measuring the large-scale structure and distribution of galaxies in the universe, revealing how the universe has expanded over time. The researchers then combined this information with three sets of data about supernovae. Supernovae act as so-called “standard candles” that determine the distance to cosmic objects thanks to their predictable brightness.
Surprisingly, each of the three supernova samples gave a different answer to the changing rate of expansion of the universe over time. All three suggest that the influence of dark energy may have declined in recent years, but the strength of these suggestions varies, so researchers wonder how to interpret the data. I don't really understand.
“Two of the supernova samples don't match each other, but they are very similar,” Dawson said. “We don't know which one is correct. The truth may lie somewhere in between, but the real difference seems to be in the method.” [the supernova researchers] We evaluated the data. ”
Model discrepancy is indicated by a coefficient called sigma. Sigma measures the likelihood that similar collisions will occur by chance when the models do not match each other. “About 3 sigma is the level at which we typically sit and pay attention and call it a 'sign' of something,” Reese says. Values lower than that are usually not of particular interest to researchers. It would be too likely a simple coincidence.
The discrepancies between the lambda CDM and combined supernova and DESI measurements ranged from 2.5 sigma to 3.9 sigma. “Both opinions are true. There's enough tension and it's interesting. And there's not enough tension to say that something is definitely there,” says Dawson.
Dark energy makes up nearly 70 percent of the universe, so errors in our understanding of its properties can have far-reaching implications for physics. However, more precise measurements will be needed in the coming years to prove whether the error really exists.
“if [this is] “Certainly, this is the first real clue we've had about the nature of dark energy in 25 years,” says Rees.
Women, especially straight men, report that they are less likely to reach orgasm during sex than straight men, a phenomenon known as the “orgasm gap.”
Zoonar GmbH / Alamy
Bisexual women expect to be more likely to orgasm when they have sex with another woman than when they have sex with a man, a study found.
Orgasm is usually a strong indicator of sexual satisfaction and often reflects satisfaction within a relationship. In a study of more than 52,000 adults in the United States, david frederick Chapman University in California and his colleagues. 95% of straight men say they usually always reach orgasm during sexcompared to 65 percent of straight women.
This difference is often referred to as the “orgasm gap,” and research suggests it almost completely disappears. Masturbating or By acts such as stimulation of the clitoris. In Chapman and his team's study, 86% of lesbian women and 66% of bisexual women said they usually always orgasm during sex.
If you would like to learn more about the orgasm gap, Grace Wetzel Researchers at Rutgers University in New Jersey asked 481 non-transgender bisexual women to imagine themselves in hypothetical sexual scenarios. About half were asked to imagine themselves with a man, and the other half were asked to imagine themselves with a woman.
Participants were asked to rate their expectations for orgasm on a scale of 1 to 7, with 1 indicating that they thought orgasm was very unlikely and 7 indicating that they thought it was very likely. The average score when imagining sex with a man was 4.88, compared to 5.86 when imagining sex with a woman. Although this may seem like a relatively small difference, statistical analysis suggests that the results are not due to chance.
In another part of the study, researchers asked an additional 476 women to complete an online survey about their sexual experiences with recent or current partners. There were no transgender women. Just under 60 percent of them were heterosexual, and the rest were lesbian.
Lesbian women had an orgasm 78 percent of the time, compared to 65 percent of straight women. They also reported having higher orgasm expectations before sexual encounters, more actively trying to reach climax during sex, and receiving more clitoral stimulation.
“Research shows that clitoral stimulation is the key to female orgasm,” says Wetzel. “So women have more orgasms when they're with other women because it involves more frequent clitoral stimulation.”
The study found that women who have sex with women expect more clitoral stimulation. “The dominant heterosexual script focuses on penetration rather than clitoral stimulation, which leaves fewer opportunities for female orgasm,” says Wetzel.
But “sexual scripts can be malleable,” she says. “Heterosexual couples can reduce the orgasm gap in their relationships by prioritizing the sexual activities that the woman needs to reach orgasm.”
What to do with the waste produced by preparing hundreds of millions of cups of tea? Malaysian researchers are proposing turning some of it into infrastructure.
Mohammad Al Bijawi and his team at Universiti Pahang Al-Sultan Abdullah Malaysia and his team outline both the problem and its attack plan as follows: Huge amounts of these are disposed of in landfills… The purpose of this study is to experimentally investigate the effects of: [carbon nanotubes] Analyzing the mechanical and fresh properties of cement mortar from tea waste. ”
They propose the best way to approach this in a paper published in the journal “Investigating the influence of nanocarbon tubes prepared from tea waste on the microstructure and properties of cement mortar''. Environmental science and pollution research.
They ran tests that seemed to predict good results. “Incorporating nanocarbon tubes from tea waste into mortar reduced cement usage and indirectly reduced CO2.”2 Emissions and Greenhouse Effects”.
They propose that one of the primary uses would be to incorporate the diverted tea waste into “highway pavements and highway median subbases.” Feedback worries that doing so would tempt millions of tea lovers to splurge and proclaim: [specify any location] It is covered with used tea bags. ”
solar blade
Solar cells that generate electricity could go the same way as razor blades.
Layering razor blades, rather than a single blade, gives people with hairy legs and hairy faces a more efficient way to get sunlight on those legs and faces. (which benefited them, as their skin was more clearly visible to the admiring audience). A big change occurred a few decades ago when two-blade, then three-blade razors were introduced and rapidly gained market share, not just hair. Single-edged razors are starting to seem a little outdated.
Plans are currently underway to create solar cells with multiple layers. In some schemes, each layer is made of a different semiconductor material that absorbs its own distinctive range of solar frequencies. Most modern solar cells are basically just one layer of silicon.
Already, some solar cell designers are using various perovskites (a type of mineral) instead of silicon.
Research on perovskite layers has yielded one of the most gently entertaining and shout-out-worthy titles ever published in a recent chemistry journal.
Not only young children who want to impress their friends by imitating animal sounds out loud, but also adult children can easily learn how to play animals once they understand that crocodiles are individuals and not something that resembles a typical sound. can be raised.
All crocodiles, like all chimpanzees, cats, dogs, crows, or most types of large animals (and all humans!), make unique, personally characteristic calls. A study by Thomas Reisenhus Jensen and colleagues at Lund University in Sweden discusses the ubiquity and power of this loud personality.
Research published in journals animal behavior, titled “Knowing your mates by their calls: Acoustic characteristics of American alligator calls.'' Co-author Stefan Lever won the Ig Nobel Prize in 2020 with four other colleagues for making a Chinese female crocodile sing in an airtight chamber filled with helium-enriched air. When he did that, he caused a stir, so to speak.
arterial ants
The scourge of atherosclerosis, like many other medical scourges, can succumb to dietary attacks. So to speak, dietary discipline can lead your cardiovascular system to victory.
Little published research by Abdul Ademola Olaleye and colleagues at the Federal University of Datse in Nigeria highlights the health benefits of eating small portions of one all-natural food.
Details are provided in their study.Analysis and evaluation of fatty acids“Phospholipid and sterol profiles of five edible insect species: Lipid composition of five edible insect species”; Pakistan Journal of Scientific and Industrial Research Series B: Biological Sciences.
Olaleye and his team specifically focus on the ratio of polyunsaturated fatty acids (PUFA) to saturated fatty acids (SFA) in foods. They analyzed ant samples collected from several farms and markets. Their conclusion is that “the PUFA/SFA ratio in this study is sufficient to arrest the atherosclerotic tendency.”
Among all the discouraging news in the world, feedback suggests this is the best news.
Mark Abrahams hosted the Ig Nobel Prize ceremony and co-founded the magazine Annals of Improbable Research. Previously, he was working on unusual uses of computers.his website is impossible.com.
Have a story for feedback?
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.
Grunts and gray grunts in Holchan Marine Reserve off the coast of Belize
Pete Oxford/ILCP
Fish populations in Caribbean marine reserves have not recovered, according to a 12-year study. Researchers say poor enforcement of marine protection regulations, coastal development and rising water temperatures are likely to blame.
Stretching for more than 1,000 kilometers along the Caribbean coasts of Belize, Guatemala, Honduras, and Mexico, the Mesoamerican Reef is home to a wide range of wildlife, including more than 500 species of fish and 65 species of coral.
Over the past few decades, governments in these countries have created many marine protected areas (MPAs) with the aim of protecting the precious biodiversity of coral reefs and restoring fish populations that have declined due to overfishing. I did. These areas may prohibit fishing during certain times of the year, prohibit certain types of fishing gear, and restrict other activities such as tourism and mining.
To evaluate the effectiveness of these MPAs, stephen canty Researchers from the Smithsonian Environmental Research Center in Maryland analyzed changes in fish biomass in 111 protected lands and 28 non-protected lands from 2006 to 2018. The data was collected during a survey by a scuba diver as part of the investigation. Initiatives for healthy coral reefs.
The researchers found that adult fish biomass increased in only 11 of the marine protected areas during the study period, indicating an increase in adult fish populations. Meanwhile, adult fish populations declined in 28 of the reserves and remained unchanged in the remaining locations. Less protected sites did see declines, but the declines were often smaller than the most protected sites.
The study found that 11 areas where fish populations have recovered have well-enforced MPA regulations and less fluctuation in sea surface temperatures. Sites with poor recovery showed opposite trends, including poor implementation of conservation measures, increased human activity in coastal areas, and increased temperature anomalies.
“Enforcement plays a huge role in whether some of these areas are successful or not,” Canty says. He suggests that local residents, who make a living from adult fish, should be given a greater role in managing MPAs. It's also important to ensure MPAs are located in areas that are better protected from climate change and easier to manage, he says.
“There's still a lot we don't know about marine protected areas,” team members say Justin Nowakowski, also located at the Smithsonian Environmental Research Center. “Therefore, it is important to be able to look to the past to optimize how he positions and manages his MPAs in the future.”
The lawsuit filed by comedian George Carlin’s estate against a comedy podcast that allegedly used artificial intelligence to mimic his voice has been settled. This case marked one of the first legal battles in the United States regarding the use of deepfakes to replicate celebrity personalities.
The Dudesy podcast, created by former Mad TV comedian Will Sasso and author Chad Krutgen, has agreed to remove all episodes from the internet and cease using Carlin’s voice, likeness, or image in any future content. A representative for Sasso, Daniel Dell, declined to comment on the matter.
The settlement was praised by Mr. Carlin’s family and estate attorney, although the terms of the agreement were not disclosed.
Kelly Carlin, George Carlin’s daughter, expressed her satisfaction with the swift resolution and responsible actions taken by the defendants. She emphasized the need for safeguards against the misuse of AI technology, not only for artists but for everyone.
Following the release of the Dudesy podcast special titled “George Carlin: I’m Glad He’s Dead,” the estate filed a lawsuit citing violations of Carlin’s publicity and copyright rights. The foundation claims the podcast is a disrespectful imitation of a renowned American artist’s work.
Despite initial claims that the podcast’s AI character, “Dudesy,” generated the content, it was later clarified that the fake Carlin set was entirely written by Krutgen and not AI-generated. The potential harm of such deepfake content circulating online was highlighted by Carlin’s estate.
The settlement coincides with growing concerns in the entertainment industry over artificial intelligence’s implications. Unauthorized use of generative AI tools and deepfake technology has prompted calls for stricter regulations to protect artists’ rights.
While the legal implications of AI-generated content remain uncertain, the case involving George Carlin’s estate underscores the need for safeguards against misuse of technology. The debate over whether AI-generated imitations qualify as parody under fair use laws is ongoing.
Josh Schiller, an attorney representing Carlin’s estate, emphasized the distinction between AI-generated impersonations and traditional forms of parody. The settlement sets a precedent for future cases involving the misuse of AI technology in creating counterfeit content.
A review board appointed by the Biden administration criticized Microsoft for its poor security and lack of transparency, stating that a series of mistakes by the tech giant allowed Chinese cyber operators to infiltrate the U.S. Department of Commerce and other entities, including accessing the email account of a senior official, Gina Raimondo.
The Cybersecurity Review Board, created in 2021, highlighted Microsoft’s sloppy cybersecurity practices, lax corporate culture, and dishonesty about targeted breaches affecting U.S. government agencies due to its business dealings with China.
The report concluded that Microsoft’s security culture is insufficient and needs a major overhaul due to the critical role its products play in national security, economic infrastructure, and public safety.
The committee blamed the breach on a chain of avoidable mistakes and recommended that Microsoft focus on improving security before adding new features to its cloud computing environment.
Microsoft’s CEO and board of directors were urged to publicly share a plan for fundamental security changes, emphasizing the need for a rapid cultural shift within the company.
Microsoft responded by saying it will enhance its systems against cyber attacks and implement stronger measures to detect and defeat malicious forces.
The report revealed that state-sponsored Chinese hackers breached the Microsoft Exchange Online emails of various organizations and individuals, showing the severity and reach of the security breach.
The board also raised concerns about another hack by state-sponsored Russian hackers targeting senior Microsoft executives and customers due to the company’s deprioritization of security investments and risk management.
Microsoft acknowledged the need for a new culture of security within its network and committed to improving infrastructure and processes to prevent future breaches.
Facial yoga has gained popularity recently, with celebrities like Jennifer Aniston, Kate Moss, and Gwyneth Paltrow endorsing it. It involves stretches and exercises to strengthen the facial, neck, and shoulder muscles, similar to full-body yoga.
Supporters claim that facial yoga can reduce tension and stress, as well as tone and lift areas that may have weakened over time. A pilot study in JAMA Dermatology found that participants aged 40-65 who did facial exercises for 30 minutes daily or every other day for 20 weeks saw improvements in cheek fullness and a decrease in apparent age.
Research in the International Journal of Environmental Research and Public Health suggests that facial muscle exercises can improve mood and reduce stress. Stretching and massage may also have positive effects on health, possibly even reducing the appearance of scars.
While there is promising evidence, more large-scale trials are needed before facial yoga can be considered a proven anti-aging technique.
4 face yoga exercises to try at home
Consult your healthcare professional before starting facial yoga. If you decide to give it a try, here are some exercises to begin with.
Cheek puff
Purse your lips, puff out your cheeks, and hold for 5 seconds. Repeat for tightening cheek muscles.
Eye rejuvenator
Gently tap under your eyes, moving towards the inner and outer eye corners for lymphatic drainage and reduced dark circles.
Fish face
Purse your lips, suck in your cheeks, and hold for 30 seconds to target the jawline and cheek muscles.
Anti-frown agent
Press and release your fingers along the eyebrows for 5 seconds to prevent frowning.
This article was inspired by a question from Alex Maddox: “Should I do facial yoga?”
If you have any questions, please email us at:questions@sciencefocus.comor contact us onFacebook,Twitter, or Instagram.
Explore more by visiting ourInteresting informationand other science pages.
WWhat happens when you ask a few British TV stars to critique TV on a podcast? A moment of painful awkwardness – Joanna Page’s critique of an up-and-coming comedian’s new show as ‘Unbearable.’ was the harsh criticism.
If you missed the headlines from last week, Page and her off the telly Co-host Natalie Cassidy discussed Lucia Keskin’s BBC Three comedy series Things I Should Have Done.
“You know what I should have done? I’m not going to watch it,” the Gavin and Stacey star surprisingly commended the “talented” Keskin for managing to produce the show in the current industry climate. “It’s rare for something not to be seen,” she added. “I thought, ‘Oh my God, this is unbearable.’ I’m so bored. I’m just really bored. I’m bored.”
Perhaps this serves as a lesson on the risks of the increasingly blurred line between celebrity and critic on podcasts.
Speaking of celebrities, Charlotte Church’s inaugural series, “Kick Back with the Cardiffians,” is this week’s highlight and pays homage to her hometown. Find out more about this article and other favorites, and explore our top 5 controversial podcasts.
Holly Richardson television editor assistant
This week’s picks
Charlotte Church is a Cardiff-born host of a new Cardiff-focused podcast. Photo: Karl Cote/Getty Images
Kickback with Cardiffians BBC Sounds, weekly episodes “I was born in Cardiff, I grew up in Cardiff, and when I die I will die in Cardiff.” And so begins Charlotte Church’s new show, offering listeners an inside look into her hometown. However, it also delves into her family, love, and working-class life through interviews with her relatives, friends, and local pub owners. Expect a lively and heartwarming listening experience of “We’re pretty shrewd – that’s who we are” with all our heart. Alexi Duggins
finally!show Wide range of weekly episodes available This podcast promises to be “a show about women that isn’t a thinly veiled wishful nightmare,” and it presents itself like a reality show to the listeners. Each 30-minute episode provides insight into a different life, with highlights including a crematorium worker, an 83-year-old nude model, and a singer by profession. Hannah Verdier
she has a name Wide range of weekly episodes available “When the police don’t listen, journalists are the next best thing,” says Tonya Mosley, but she’s more than just a cold-case podcaster. Instead, she shares a brave and personal story, recounting the disappearance of her young Detroit mother in the ’80s, and coincidentally, the sister she never knew. HV
your home history Wide range of weekly episodes available Ever wondered about the history of wallpaper? From the origins of laundry to refrigerators, this podcast offers a fun, narrative-driven exploration of everyday objects. Did you know that wallpaper was inspired by bees? Or that Oliver Cromwell banned wallpaper? You’ll think so if you tune in to this show. advertisement
George Orwell’s 1984 Audible, all episodes now available While you may think there’s no need to retell a perpetually relevant surveillance thriller, this classic storytelling with a star-studded cast and direction is worth the listen. Andrew Garfield portrays Ministry of Truth employee Winston, Cynthia Erivo plays Julia, Tom Hardy is Big Brother, and Andrew Scott is O’Brien. Plus, Matt Bellamy from Muse is composing the score. Holly Richardson
There’s a podcast for that
Renu, the eldest sister of British girl Shamima Begum, holds a photo of her younger sister while giving a media interview in central London. Photo: Laura Leen/AFP/Getty Images
this week, Hannah Verdier choose the best five controversial podcastfrom Michael Jackson’s masterpieces to a sit-down with Shamima Begum
please reconsider How can Michael Jackson fans reconcile their love for the singer with the controversies surrounding him? Slow Burn’s Leon Neyfakh, alongside knowledgeable co-host Jay Smooth, delves into modern history storytelling, using archival audio, interviews, and detailed reporting to engage listeners in thought-provoking discussions. While some believe Jackson’s complex legacy should remain untouched, Neyfakh skillfully presents a nuanced explanation of our fallen heroes without imposing a specific viewpoint on the audience. This podcast aims to open conversations rather than change minds.
missing richard simmons Retro fun, quirky characters, and mysterious disappearances. Dan Taberski’s work on the search for flamboyant fitness guru Richard Simmons became an instant hit upon its release. While initially captivating, the podcast sparked controversy over Taberski’s public pursuit of Simmons. The New York Times labeled the podcast “morally bankrupt,” leading Taberski to take a step back and reassess his approach after producing six episodes.
i am not Monster: The Story of Shamima Begum Joshua Baker’s podcast takes listeners on a journey from East London to Syria to meet Shamima Begum, shedding light on her controversial story. Her accounts of life in Syria and responses to her experiences sparked debates and controversies among listeners.
CEO diary “Happy Sexy Billionaire” Stephen Bartlett delves into the lives of successful individuals, causing a stir with his candid discussions. Love Island alumna Molly-Mae Hague’s comments on time management and privilege led to backlash and debates on the treatment of successful women in the media.
walker’s switch Lauren Peters and Augustine Cerf explore the debate over Walkers potato chip flavors in this podcast, prompting discussions on food culture and memories of classic snacks.
Why not try it…
Sam Campbell and Lucy Beaumont, known for their appearances on Taskmaster, team up for the podcast Sam and Lucy’s perfect brains.
Voices from the Dales offers a glimpse into the lives of Yorkshire shepherds in six 15-minute episodes capturing a disappearing culture.
Jeff Shreeves combines football and music in his aptly named podcast football, music and me, featuring interviews with former pros like Gary Neville and Vinnie Jones.
When you’ve tried to order something online during a work break, like a new electric toothbrush, you likely expected it to be simple. However, the overwhelming number of choices and options may have left you feeling paralyzed by decision making.
There are numerous factors to consider beyond just price and delivery time, such as battery life and advanced features like warning lights for excessive pressure or accompanying apps.
Decision paralysis occurs when the abundance of options and the challenge of weighing them all prevent you from making a choice, especially within a limited time frame.
It was once believed that more choices would benefit consumers, but in reality, it can lead to decision fatigue and drive people away.
In other life situations, the weight of decision making may weigh heavily on you, even if you only have a few options. The fear of choosing wrongly, whether it’s a college, job, or romantic partner, can cause decision paralysis.
Individuals known as “maximizers,” who strive to find the optimal choice, are more prone to decision paralysis compared to “satisfied people” who are content with a good enough decision.
The fear of regret for making a wrong decision can also contribute to decision paralysis, as can the concept of opportunity cost – what you’ll miss out on by choosing a particular path.
There are several ways to overcome decision paralysis: realize that perfect decisions are rare, understand that not deciding is a decision in itself, and simplify the decision-making process by prioritizing important factors and scoring options against them.
If you have any inquiries, please contact us at questions@sciencefocus.com or reach out to us on Facebook, Twitter, or Instagram with your name and location.
For more interesting information and science articles, visit our website.
In a new study, a team of paleontologists examined the structure of teeth. Feredkodon Chowi aims to better understand the phylogenetic relationships and evolutionary paths of a new species of Xuozalaid mammal that lived in what is now China during the Jurassic period.
rebuilding the life of Feredkodon Chowi (right) and Dianoconodon Yonggi (left). Image credit: Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences.
Professor Patricia Vickers-Rich, a researcher at Monash University and Museums Victoria, said: “Our study challenges current theory and provides a new perspective on the evolutionary history of mammals.”
“By describing the complex tooth shapes and occlusal patterns, we provide important insights into the phylogenetic relationships and evolutionary trajectory of the family Xenodiaceae, which was largely unknown until its recent discovery in China. ”
Shoeteraid a mammal-like animal from the Jurassic period, has baffled scientists because of its unique dental features.
These creatures have so-called pseudoclaws (basin-like structures) located in front of the triangular teeth of the mandibular molars, and the claws seen in modern therian mammals are similar to the triangular teeth of the lower molars. It is different from the claw-like pattern located at the back.
“This unique tooth pattern hinders our understanding of schootelid relationships and the first steps in the evolution of mammalian species,” Professor Vickersrich said.
Professor Vickers Rich and her colleagues examined the pseudotribosphene tooth of a new Jurassic schiotelid. Feredkodon Chowi represented by two skeletal specimens.
They were able to more completely dissect the tooth structure using a variety of analyses, and the results suggested that the tooth structure of schootherids is very similar to that of docodontans. Ta.
This study suggests that there are no true trigonids present in the basal teeth of Xuozalidae, indicating that they are more closely related to Docodontans than previously thought.
This reassessment of tooth structure not only resolves outstanding interpretations but also triggers a reconsideration of evolutionary connections within mammals.
“In 1982, a single small Jurassic mandible with four teeth was placed at a single point in the mammal family tree,” said Dr Thomas Rich, also from Monash University and Museums Victoria.
“We now have two virtually complete specimens analyzed in different ways, all of which place them in very different positions on the mammal family tree.”
“Additional specimens and different methods suggest different interpretations. Science often works like this.”
Based on new data, the Xuozidae appears to belong to a separate clade, the Docodontiformes, separate from the Auscutolibospheniformes, and are therefore grouped as follows: docodontance.
This finding highlights the importance of pseudotribosphenic characters in elucidating the initial diversification of mammals.
“This study highlights the presence of a huge variety of tooth morphologies in early mammals, demonstrating unique ecomorphological adaptations throughout the evolutionary development of mammals,” Professor Vickersrich said. Ta.
F. Mao other. The Jurassic family Xenotheliidae represents the earliest dental diversification of mammals. Nature, published online on April 3, 2024. doi: 10.1038/s41586-024-07258-7
Astronomers using the NASA/ESA/CSA James Webb Space Telescope discovered the central starburst of Messier 82 (M82, NGC 3034, or Cigar Galaxy), a starburst irregular galaxy 12 million light-years away in the constellation A new image of the area was taken. of Ursa Major.
Messier 82 was observed by the NASA/ESA Hubble Space Telescope in 2006, showing a spiral disk, shredded clouds, and hot hydrogen gas right next to the galaxy. The NASA/ESA/CSA James Webb Space Telescope observed the center of Messier 82, capturing the structure of the galactic wind in unprecedented detail and revealing the characteristics of individual stars and star clusters. Image credits: NASA / ESA / CSA / Hubble / Webb / STScI / A. Bolatto, UMD.
Messier 82 is located approximately 12 million light years away. It can be seen high in the northern sky in spring, in the direction of Ursa Major in the north.
First discovered by German astronomer Johann Erath Bode in 1774, this galaxy is approximately 40,000 light-years in diameter.
Messier 82 is also called the Cigar Galaxy because of its elongated elliptical shape caused by the tilt of its star-like disk with respect to our line of sight.
This galaxy is famous for its unusually high rate of new star formation, with stars being born 10 times faster than the Milky Way.
Astronomer Alberto Borat and his colleagues at the University of Maryland led Webb's research. NIRCam (Near Infrared Camera) We will aim our instrument at the center of Messier 82 to closely observe the physical conditions that promote the formation of new stars.
“Messier 82 is thought to be the prototype of a starburst galaxy and has attracted a variety of observations over the years,” Borat said.
“Both the Spitzer Space Telescope and the Hubble Space Telescope have observed this target. With Webb's size and resolution, we can observe this star-forming galaxy and see all of this beautiful new detail.”
“Star formation remains a mystery because it is shrouded by a curtain of dust and gas, which poses an obstacle to observing this process.”
“Fortunately, Webb's ability to see into the infrared can help us navigate these ambiguous situations.”
“Furthermore, these NIRCam images of the center of the starburst were obtained using instrumental mode, which prevents very bright light sources from overwhelming the detector.”
“Even in this infrared image, dark brown dust tendrils are visible throughout Messier 82's bright white core, but Webb's NIRCam has revealed a level of detail that was historically hidden.”
“If you look closely toward the center, small green specks indicate areas of concentrated iron, most of which are supernova remnants.”
“The small red spots indicate regions where hydrogen molecules are illuminated by radiation from nearby young stars.”
“This image shows the Webb's force,” said Dr. Rebecca Levy, an astronomer at the University of Arizona.
“All the white dots in this image are stars or star clusters. We can start to distinguish between all of these small point sources, which will allow us to get an accurate count of all the star clusters in this galaxy. Masu.”
If you look at Messier 82 at slightly longer infrared wavelengths, you'll see clumpy tendrils, shown in red, extending up and down the galactic plane. These gaseous streamers are galactic winds blowing out from the starburst's center.
One of the research team's areas of focus was understanding how this galactic wind, caused by rapid star formation and subsequent supernovae, originates and affects the surrounding environment.
By resolving Messier 82's central region, astronomers were able to investigate where the winds originate and gain insight into how hot and cold components interact in the wind. .
Webb's NIRCam instrument was well-suited to tracking the structure of the galactic wind via radiation from sooty chemical molecules known as polycyclic aromatic hydrocarbons (PAHs).
PAHs can be thought of as very small dust particles that survive at low temperatures but are destroyed at high temperatures.
Much to the team's surprise, Webb's observations about PAH emissions highlight previously unknown fine structures in the galactic wind.
This emission, depicted as a red filament, moves away from the central region where the center of star formation is located.
Another unexpected finding was the similarity between the structure of the PAH emission and the structure of the hot ionized gas.
“It was unexpected that the release of PAHs resembled ionized gases,” Dr. Borat said.
“PAHs are not thought to survive very long when exposed to such strong radiation fields, so they are probably constantly being replenished.”
“This casts doubt on our theory and indicates the need for further investigation.”
Alberto D. Borat other. 2024. Observation of starbursts by JWST: Emission of polycyclic aromatic hydrocarbons at the root of the M 82 galactic wind. APJ, in press. arXiv: 2401.16648
Taiwan experienced a significant earthquake on Wednesday, with experts noting that it was larger than some areas in the United States. The island was well-prepared for seismic disasters, which helped mitigate the impact. Despite nine reported deaths, authorities anticipate the death toll may increase. Over 1,000 individuals were injured, and around 100 are feared trapped.
The earthquake, measuring 7.4 in magnitude, highlighted Taiwan’s robust early warning system, modern seismic building codes, and the population’s familiarity with seismic activity. Following the devastating Chichi earthquake in 1999, Taiwan made substantial upgrades to its infrastructure to enhance resilience.
Geologist Larry Shuhen Lai, who grew up and studied in Taiwan, acknowledged the progress made in earthquake preparedness, comparing the nine deaths in the recent earthquake to the 2,400 casualties in the past. He emphasized Taiwan’s serious approach to earthquakes as part of daily life.
Experts noted that U.S. cities on the West Coast are taking various measures to prepare for earthquakes, but none are as well-prepared as Taipei, the capital of Taiwan.
A California Highway Patrol trooper checks for damage to a fallen car when the upper section of the Bay Bridge collapsed into the lower section after the Loma Prieta earthquake in San Francisco on October 17, 1989.George Nikitin/AP File
Taiwan is still assessing the earthquake’s impact and lessons learned, providing valuable insights for U.S. scientists and leaders to evaluate their own infrastructure and preparedness.
John Wallace, a civil engineering professor, highlighted the damage to older concrete buildings in Taiwan and emphasized the importance of retrofitting such structures. Taiwan’s skyscrapers, like Taipei 101, showcased advanced engineering that performed well during the earthquake.
Overall, experts commended Taiwan’s earthquake preparedness efforts, attributing them to the previous Chi-Chi earthquake that spurred significant improvements in safety measures and building codes.
Damaged buildings in Hualien City, Taiwan, on Tuesday.TVBS via AP
Taiwan’s gradual progress in earthquake safety, coupled with public education and trust in authorities, has been integral to its preparedness. Initiatives undertaken post the Chi-Chi earthquake have set the benchmark for earthquake resilience in the region.
The comparison with U.S. readiness, particularly on the West Coast, reveals disparities in earthquake preparedness, with Taiwan’s advanced early warning system being a standout feature. The system’s effectiveness in disseminating warnings and promoting public safety serves as a model for other earthquake-prone regions.
Both Taiwan and the U.S. utilize advanced warning systems based on seismic wave detection, highlighting the importance of continuous improvement and proactive measures to enhance earthquake resilience.
In conclusion, Taiwan’s 25-year journey towards earthquake preparedness offers valuable insights for other regions, emphasizing the significance of strategic planning, infrastructure upgrades, and community engagement in mitigating the impact of seismic events.
Microsoft and quantum computing company Quantinuum claim to have developed a quantum computer with unprecedented levels of reliability. The ability to correct its own errors could be a step toward more practical quantum computers in the near future.
“What we did here gave me goosebumps. We showed that error correction is reproducible, works, and is reliable.” Krista Svoir At Microsoft.
Experts have long expected the arrival of practical quantum computers that can complete calculations too complex for traditional computers. Although quantum computers have steadily grown larger and more complex, this prediction has not yet been fully realized. One big reason for this is that all modern quantum computers are subject to errors, and researchers have found that it is technically difficult to implement algorithms to detect and correct errors during calculations. That’s it.
The new experiment could be an important step toward overcoming this error problem. The researchers say that on his H2 quantum processor at Quantinuum, he ran more than 14,000 individual calculation routines without making a single error.
Errors occur even in classical computers, but error correction can be coded into programs by creating backup copies of the information being processed. This approach is not possible with quantum computing because quantum information cannot be copied. Instead, researchers distributed it across a group of connected qubits, or qubits, creating what are known as logical qubits. Microsoft and the Quantinuum team created four of these logical qubits using 30 qubits.
Svore said a process developed by Microsoft was used to generate these logical qubits, allowing them to run error-free, or fault-tolerant, experiments repeatedly. Typically, individual qubits are easily disturbed, but at the level of logical qubits, researchers were able to repeatedly detect and correct errors.
The approach was so successful, they say, that four logical qubits produced only 0.125 percent of the errors that would occur if 30 qubits were left ungrouped. This means that ungrouped qubits generate as many as 800 errors for every one error generated by a logical qubit.
“Having a logical error rate that is 800 times lower than that of physical qubits is a huge advance in the field and brings us one step closer to fault-tolerant quantum computing,” he said. says. mark suffman from the University of Wisconsin was not involved in the experiment.
jennifer strobley Quantinuum said the team’s hardware is well-suited for new experiments because it provides advanced control over qubits and quantum computers have already achieved some of the lowest error rates ever. .
In 2023, a team of Harvard University researchers and their colleagues, including members of the quantum computing startup QuEra, broke the record for the largest number of logical qubits at once, 48. This is much more than his four logical qubits in the new device. But Strabley said the new device requires fewer physical qubits for each logical qubit, and the logical qubits have fewer errors than the one built by the Harvard team. “We used significantly fewer physical qubits and got better results,” she says.
However, some experts new scientist Without details about the experiment, researchers were not yet ready to qualify this new research as a breakthrough in quantum error correction.
It is generally believed that only quantum computers with more than 100 logical qubits can actually tackle scientifically and socially relevant problems in fields such as chemistry and materials science. The next challenge is to make everything bigger. Strabley and Svore say they are confident that the long-standing collaboration between Microsoft and Quantinuum will soon come to fruition.
aMillions of people across China visit their ancestors’ graves to pay their respects during the annual Tomb Sweeping Festival. This means new ways to remember and bring back beloved relatives are emerging.
Some services advertised online say Chinese netizens can create animated digital avatars of their loved ones for as little as 20 yuan (£2.20). So this year, to mark Thursday’s Tomb Sweeping Festival, innovative mourners are relying on artificial intelligence to connect with the deceased.
On the more sophisticated end of the spectrum, Taiwanese singer Bao Xiaobai used AI to “bring back to life” her 22-year-old daughter who died in 2022. Even though there was only an audio recording of her speaking three sentences of English, Bao reportedly spent: He experimented with AI technology for over a year before he managed to create it. his daughter video She sang Happy Birthday to her mother and published it in January.
“People around me think I have lost my mind,” Bao said in an interview with Chinese media. But she also added, “I want to hear her voice again.”
Interest in digital cloning of deceased people is growing as China’s AI industry continues to expand into human-like avatars. According to some estimates, the market size of “digital humans” is expected to reach 12 billion yuan in 2022, and quadruple by 2025. One reason Chinese tech companies are so good at creating digital humans is because China has a huge army of livestreamers. Companies that generated an estimated 5 trillion yuan in revenue last year are using AI to clone themselves and sell their products 24/7.
People scatter flower petals in a river at a cemetery in Beijing before this week’s grave-sweeping festival. Photo: Xinhua/Rex/Shutterstock
Last month, SenseTime, one of China’s leading AI companies, showcased its skills in this field during founder Tang Xiao’ou’s speech at its annual general meeting. “Hello everyone. See you soon,” Tan told employees. “The past year has been difficult for everyone, but I believe that hard times will pass.”
Mr Tan’s 2023 has been particularly difficult. Because he passed away on December 15th at the age of 55. His speech was delivered by a digital clone trained by SenseTime engineers using a large-scale language model machine learning program trained on Tang’s video and audio clips. .
The Tomb Sweeping Festival is a special occasion for this type of technology.a software developer I said it on Weibo He said he has already helped more than 600 families “achieve reunification” with their loved ones this year.
But bereaved families are not the only ones using AI to bring their loved ones back to life. Social media users recently used old footage of singer Qiao Renliang, who passed away in 2016, to create new content featuring him. In one video, his AI clone of Qiao says: “Actually, I never left.” However, the parents of Mr. Qiao, who committed suicide, were furious. His father was quoted in Chinese media as saying the video “revealed his scars” and was made without his family’s consent.
Some Chinese lawyers argue that such content should be banned if it causes “mental distress” to the relatives of the deceased. But as grievers gather for a grave-sweeping festival, China’s digital natives are likely to experiment with a digital afterlife faster than flesh-and-blood policymakers can regulate it.
Noise pollution, habitat loss and disease spread associated with mining could threaten chimpanzee populations in some African countries
Ali Wid/Shutterstock
More than a third of Africa's great apes are threatened by soaring demand for minerals essential to creating green energy technologies such as electric vehicles.
Africa has about one-sixth of the world's remaining forests, and its habitat is in countries such as Ghana, Gabon, and Uganda. The continent is also home to his four species of great apes: chimpanzees, bonobos, and two gorillas.
To assess the scale of the threat to great ape populations, Jessica JunckerResearchers at Re:wild, a non-profit conservation organization in Austin, Texas, analyzed available data on the location of operating and planned mines and the density and distribution of great ape populations across 17 African countries. Superimposed.
The research team considered both direct impacts on great ape populations, such as noise pollution, habitat loss, and disease spillover, as well as indirect disturbances, such as building new service roads, to A 50km “buffer zone” was created around the area. And infrastructure.
A total of 180,000 great apes, just over a third of the continent's population, may be threatened by mining activities, researchers have found.
The West African countries of Liberia, Sierra Leone, Mali, and Guinea had the greatest overlap between great ape populations and mining sites. In Guinea, a study found that 83 percent of the great ape population could be affected by mining.
Juncker said the team was only considering industrial mining projects. The threat may be even greater when considering the impact of man-made mines, where miners typically work in primitive and often dangerous environments.
Cobalt, manganese, and graphite are all used to make lithium-ion batteries that power electric vehicles. Other materials found in these countries, such as bauxite, platinum, copper, graphite, and lithium, are used to power hydrogen, wind turbines, solar panels, and other green technologies.
Juncker argues that companies should stop mining in areas important to great apes and instead focus on recycling these important materials from waste. “There is great potential in metal reuse,” she says. “All we need to do is consume more sustainably. Then it will be possible to leave at least some of the areas that are so important to great apes intact.”
She is also calling on mining companies to publicly conduct biodiversity assessments of potential mining sites. “Increasing transparency is the first step.”
In recent years, I’ve noticed more and more people sharing their experiences with anxiety, whether it’s celebrities opening up in interviews or friends chatting over drinks. This got me thinking. Are more people experiencing anxiety these days, or are they just more willing to talk about it?
This apparent increase seems to be seen in studies on the prevalence of anxiety, but when you dig into the details, the picture is not so clear. As for what’s behind this potential increase, the COVID-19 pandemic is the obvious culprit, but it’s not the only one; economic and political factors may also be at play.
First, let’s look at the pandemic. “This was a phenomenon that none of us had ever experienced before, and it was a global problem that understandably caused a lot of stress,” he says. David Smithson at the charity Anxiety UK. “Who isn’t worried?”
growing anxiety
As the pandemic began, anxiety levels increased and the World Health Organization reported: Anxiety disorders increased by 25.6% In 2020, lockdowns and other restrictions were introduced and people faced an unknown virus and its impact on their lives. However, this increase was not sustained, according to a review of 177 studies targeting people in high-income countries. Levels decline as pandemic continues.
This is consistent with Smithson’s experience. “We have seen an increase in demand for our support services for about two years since the start of the pandemic,” he says. “Over the past 12 months or so, we have seen a drop in demand…
Some amino acids can become concentrated when traveling through cracks in hot rocks.
Sebastian Kauritzky / Alamy
Chemical reactions key to the origin of life on Earth may have occurred as molecules moved along a temperature gradient within a network of cracks in thin rocks deep underground.
Such networks are thought to have been common on early Earth and may have provided a kind of natural laboratory in which many of the building blocks of life were concentrated and separated from other organic molecules.
“It’s very difficult to get a more general environment where you can do these cleansing and intermediate steps,” he says. Christophe Mast at Ludwig-Maximilians-University in Munich, Germany.
He and his colleagues created a heat flow chamber the size of a playing card to model how mixtures of organic molecules behave in cracks in such rocks.
The researchers heated one side of the 170-micrometer-thick chamber to 25°C (77°F) and the other side to 40°C (104°F), allowing molecules to move in a process called thermophoresis. This created a temperature gradient that How sensitive a molecule is to this process depends on its size and charge and how it interacts with the fluid in which it is dissolved.
During an 18-hour experiment in a heat flow chamber, we found that different molecules were concentrated in different parts of the chamber depending on their sensitivity to thermophoresis. Among these molecules are many amino acids and A, T, G, and C nucleobases, which are important building blocks of DNA. This effect was further magnified by creating a network of three interconnected chambers, with one side of the chamber network at 25°C and the other side at 40°C. Additional chambers further concentrated the compounds concentrated in the first chamber.
Mathematical simulations with 20 interconnected chambers (which may closely resemble the complexity of natural crack systems) find that the enrichment of different molecules can be further amplified Did. In one chamber, the amino acid glycine reached a concentration approximately 3000 times higher than that of another amino acid, isoleucine, even though they entered the network at the same concentration.
The researchers also demonstrated that this enrichment process can cause reactions that would otherwise be extremely difficult. They showed that glycine molecules can bind to each other when the concentration of a molecule that catalyzes the reaction called trimetaphosphoric acid (TMP) increases. Mast said TMP is an interesting molecule to concentrate because it was rare on early Earth. “Since [the chambers] Since they are all randomly connected, all kinds of reaction conditions can be implemented. ”
“It’s very interesting that within the crack there are regions with different proportions of compounds,” he says. evan sprite from Radboud University in the Netherlands was not involved in the study. “This enhancement allows us to create even more versatility from very simple building blocks.”
But enrichment in rock fractures is still far from a viable scenario for the origin of life, he says. “Ultimately, they still need to come together to form something resembling a cell or protocell.”
TJim Ryan, the outgoing boss of Sony’s gaming division who joined Sony several months before the release of the original PlayStation, gave an interview. Official PlayStation Podcast Last week, in honor of his retirement. He talked about his PlayStation 5 as potentially Sony’s “most successful console ever on multiple vectors,” but interestingly, he didn’t specify what those vectors actually were. did not do it. How much time did you spend playing? What will individual players spend? Sales? We’ll have to try a little harder to get past the 160 meter total length of the PlayStation 2, but so far around 55 meters have been sold.
Regarding the total number of PlayStation 2 units, this is actually the first time I’ve heard the number 2024 on this podcast, even though the PS2 was discontinued in 2013. The last official number we had for the PS2 was “over 155 million units.” ” As of March 2012, this figure is still being quoted. Sony’s own website. Ryan claims that 160 million was celebrated as an internal sales milestone, but Sony never actually announced it.Industry Analyst Daniel Ahmad I did the back of the envelope calculations. This confirms the sum, but it begs the question. Why didn’t Sony actually tell anyone how many PS2s they sold?
The gaming industry as a whole is bad at telling someone how much something sold to an actual human being. In the old days, publishers would announce the number of consoles and games they “shipped”, but this was not how many were purchased by customers, but how many were sold to retailers. All publishers are now performing Jim Ryan-esque feats of obfuscation across multiple vectors. Activision is the prime culprit year after year with its ridiculous Call of Duty metrics. That means fastest turnover, highest first week gross, most player time, and most games played on opening weekend.
Xbox hasn’t told us how many consoles it sold for over a decade. I had to look into 2K’s financial reports to find out that the PS5 beat the Xbox Series S/X two to one. Instead, Microsoft is emphasizing user numbers, subscription revenue, and “growth” (though it’s still growing in the Its growth has been somewhat lacking recently, as I pointed out as a justification for the layoffs.
The culprit: Call of Duty maker Activision is one of the worst companies to report actual numbers. Photo: Activision Blizzard
As for Steam and other digital storefronts, you never know. Steam didn’t make it easy to see how much an item sold for.Leave it to a third-party service steam spy Estimate sales by collecting data from user profiles. In some cases, individual developers may publish numbers that cannot be independently verified. Apps and mobile games are similarly mysterious, being tracked by independent companies such as: data.ai (formerly App Annie) charges huge fees for access to detailed data.
In the UK, ChartTrack was reporting accurate sales statistics for all games and consoles. He wasn’t able to do that until around 2008, when downloading games started to become the norm. In the US, NPD Group tracks both physical and digital sales, but relies on the cooperation and self-reporting of game publishers. Currently, Nintendo is one of the three game console manufacturers that publicly, regularly, and accurately. Report your own sales In quarterly financial results.
You might think, “Who cares?” What is his 5m on PS2 between friends? And it’s true that I find this lack of transparency especially annoying because I’m a journalist and I want to know the answer. But because sales are not reported, companies can spin a narrative that doesn’t match reality to please the market and shareholders. They can claim success based on the metrics that best support their story.
That’s at least interesting I would like to know how many games have actually been sold. This is a matter of historical significance and part of the history of the industry. Sales tell us about changing tastes, trends, and tendencies. And as the past year or so in the gaming industry has shown, people’s lives depend on these numbers.
It could be argued that 10 years ago, the gaming industry was in the midst of a transition towards digital sales and revenue, and many developers and publishers simply didn’t have access to accurate numbers and were still producing internal reports. . That seems hard to believe now, especially after Microsoft accidentally leaked large amounts of its own data during a lawsuit with the US Federal Trade Commission last year.
It seems absurd that we don’t know how many people actually buy the most popular (and least popular) video games and consoles in the world…and we don’t know how many PS2 units are sold. I had to wait 12 years.
what to play
Just our cup of tea…a screenshot of Terry Kavanagh’s simple and surreal ‘A Proper…
Our gaming correspondent Keith Stuart wrote about Downpour a while back. Downpour is a simple game creation software that allows anyone to create games on their mobile phone using images and hyperlinks. This week’s pick is his 5-minute wonder on the platform. proper cup of tea By Terry Cavanagh, who also created the absolutely perfect action game Super Hexagon many years ago. (This fact makes me happy.)
The purpose is simple. Make your own beer. I laughed out loud twice on the train at the many surreal endings. I found this game very amusing, but my partner’s reaction to it was even more amusing. He made tea just once, in his own very special way, and then he retired believing he had won the game.
Available on: just tap this link on your mobile phone (or Click in your browser) Estimated play time: 5 minutes
Keza MacDonald takes a weekly look back at the world of gaming
Privacy Notice: Newsletters may include information about charities, online advertising, and content funded by external organizations. Please see our Privacy Policy for more information. We use Google reCaptcha to protect our website and Google. privacy policy and terms of service Apply.
After newsletter promotion
what to read
Downtool…Nintendo’s Super Mario Maker servers will be shut down next month. Photo: Nintendo
As you may know, Nintendo will be shutting down servers for its older consoles, Wii U and Nintendo 3DS, on April 8th. In response, a group of super-skilled Mario players set themselves the seemingly impossible task of completing all of the 80,000 user-generated levels. super mario maker. Julian Benson spoke to them as the clock ticked down on this great story.
employees of SegaUK studios have suffered recent job losses: Publisher 240 roles reduced He worked his way across Creative Assembly, HARDlight, Sega Europe, and sold Relic Entertainment (of Company of Heroes fame).
bandai namco has released three games created by students from its workforce training project Free on Steam.One of them is called muddy dog And cast you as a Pomeranian who tries to confuse you as much as possible. (You may remember that Namco’s game design students were responsible for some of the better Katamari Damacy.)
According to a team of experts from the Israel Antiquities Authority and the University of Friborg, this unusual amulet seal is at least 2,800 years old (first temple period).
A 2,800-year-old amulet seal excavated from the Tel Rekesh ruins in Israel. Image credit: Israel Antiquities Authority.
“The scarab, made of a semi-precious stone called carnelian, depicts either a mythical griffin creature or a galloping horse with wings,” said archaeologist Professor Osmar Kiel of the University of Friborg. .
“Similar scarabs are dated to the 8th century BC.”
“A beautiful scarab beetle was discovered at the foot of the mountain.” Tel Rekesh, one of the most important stories in Galilee. ”
“The location is identified as the town of ‘Anahrat’ in the territory of the tribe of Issachar (Joshua 19:19).”
“This is one of the most important finds at Tel Rekesh, dating from the Iron Age (7th-6th century BC),” added Dr. Itzik Paz, an archaeologist with the Israel Antiquities Authority.
“At that time, a large fortress appears to have been under the control of the Assyrian Empire, which was responsible for the destruction of the northern kingdom of Israel.”
“Thus, the scarab found at the foot of Tell very likely proves Assyrian (or perhaps Babylonian) rule at the site.”
“The griffin motif on seals is a known artistic motif in ancient Near Eastern art and is commonly seen on Iron Age seals.”
“If we can actually date the seal, it may be possible to link it to the Assyrian presence at the Tell Rekesh fortress. This is a very important discovery.”
A 2,800 year old amulet seal. Image credit: Israel Antiquities Authority.
“The scarab is a type of seal that was widely used in the ancient world from the 4th millennium BC onwards,” the researchers explained.
“The scarab seal is shaped like a dung beetle, hence its name. The Egyptians considered the scarab to be a symbol of the creator god, so the Egyptian name comes from the verb 'to become' or 'to be created.' ” is derived from. ”
“Although scarabs were made from a variety of stones, including semi-precious stones such as amethyst and carnelian, most scarabs are made from steatite, a soft gray-white talcum stone, usually coated with a blue-green glaze. I was there.”
“Glaze persists only in dry climates such as Egypt, so the scarab found in Israel has very little trace of glaze. In this context, the deep orange color of this scarab is both unusual and striking. ”
The Assyrian scarab-shaped seal was discovered by Erez Abrahamov, 45, a resident of Peduel.
“I had two days off from working in the Israeli Defense Forces Reserve, so I decided to take advantage of the sunny days and go hiking,” Abrahamov said.
“As I was walking, I saw something shiny on the ground. At first I thought it was a bead or an orange stone.”
“When I picked it up, I noticed it was carved to look like a scarab or beetle.”
“I called the Israel Antiquities Authority and reported my amazing discovery.”
The overwhelming sales on Tuesday were attributed to the actions of Tesla’s CEO by one Tesla investor.
In response to the sales figures, Ross Gerber, CEO of Gerber Kawasaki, pointed to Elon Musk’s actions as the reason for Tesla’s inability to sell cars. He criticized the board of directors for not stopping Musk’s behavior, which he deemed toxic towards the Tesla brand.
Musk retaliated by calling Gerber an idiot and mentioning the challenges faced by Chinese rival BYD in the quarter.
Following Tesla’s revenue update and stock fall, Gerber expressed his disappointment, attributing the decline in deliveries to various factors including Houthi rebel attacks and delays in production.
Analysts raised concerns about slowing demand for Tesla vehicles, despite production challenges being mentioned as contributing factors.
While Musk’s controversial actions have led to a decline in sales in the US market, some analysts believe that Tesla’s long-term decisions will resolve the company’s problems.
Key figures in the financial industry voiced their concerns over Tesla’s sales figures, attributing the downturn to a combination of global EV demand slowdown and issues in China, rather than just Musk’s antics.
Tesla’s ongoing global fame, driven by Musk’s actions, continues to be a focal point, with experts highlighting the potential impact on sales and market perception.
Despite the challenges, Tesla is reportedly scouting locations in India for a new manufacturing plant, indicating long-term growth plans.
While some analysts downplay the impact of Musk’s behavior on sales, others believe that it contributes to the overall perception of the company and its products.
In conclusion, the future of Tesla remains uncertain, with various factors at play influencing the company’s performance in the market.
Tesla has not provided a comment on the situation at this time.
Astronomers using NASA/ESA/CSA’s James Webb Space Telescope have discovered a typical extremely metal-poor, star-forming, blue, compact dwarf galaxy in the constellation Ursa Major, I. Zwicki 18 (abbreviated). I took a stunning image of I Zw 18).
This web image shows I Zwicky 18, a blue, compact dwarf galaxy about 59 million light-years away in the constellation Ursa Major. I Zwicky 18’s nearby companion galaxy can be seen at the bottom of the image. This companion star may be interacting with the dwarf galaxy and may have triggered the galaxy’s recent star formation. Image credits: NASA / ESA / CSA / Webb / Hirschauer other.
I Zw 18 It is located approximately 59 million light years away in the constellation Ursa Major.
This galaxy, also known as Mrk 116, LEDA 27182, and UGCA 166, discovered It was discovered in the 1930s by Swiss astronomer Fritz Zwicky.
At only 3,000 light years in diameter, it is much smaller than our own Milky Way galaxy.
I Zw 18 has experienced several bursts of star formation and has two large starburst regions at its center.
The wispy brown filaments surrounding the central starburst region are bubbles of gas heated by stellar winds and intense ultraviolet light emitted by hot, young stars.
“Metal-poor star-forming dwarf galaxies in the local universe are close analogs of high-redshift dwarf galaxies,” said Dr. Alec Hirschauer of the Space Telescope Science Institute and colleagues.
“Because the history of enrichment of a particular system tracks the accumulation of heavy elements through successive generations of stellar nucleosynthesis, low-abundance galaxies are likely to be more likely to be affected by a common phenomenon in the early Universe, including the global epoch of peak star formation. It mimics the astrophysical conditions where most of the cosmic star formation and chemical enrichment is expected to have taken place.”
“Thus, at the lowest metallicities, we may be able to approximate the star-forming environment of the time just after the Big Bang.”
“I Zw 18 is one of the most metal-poor systems known, with a measured gas-phase oxygen abundance of only about 3% of solar power production,” the researchers said. added.
“At a distance of 59 million light-years and with global star formation rate values measured at 0.13 to 0.17 solar masses per year, this laboratory is designed to support young stars in an environment similar to the one in which they were discovered. It’s an ideal laboratory for studying both the demographics and the demographics of stars that evolved in the very early days of the universe.”
Dr. Hirschauer and his co-authors used Webb to study the life cycle of I Zw 18 dust.
“Until now, it was thought that the first generation of stars began forming only recently, but the NASA/ESA Hubble Space Telescope found “The dimmer and older red stars in the galaxy suggest that their formation began at least 1 billion years ago, and possibly 10 billion years ago,” the researchers said.
“Therefore, this galaxy may have formed at the same time as most other galaxies.”
“New observations by Webb reveal the detection of a set of dust-covered evolved star candidates. They also provide details about Zw 18’s two main star-forming regions. To do.”
“Webb’s new data suggests that major bursts of star formation in these regions occurred at different times.”
“The strongest starburst activity is now thought to have occurred more recently in the northwestern lobe of the galaxy compared to the southeastern lobe.”
“This is based on the relative abundance of young and old stars found in each lobe.”
Alec S. Hirschauer other. 2024. Imaging I Zw 18 with JWST: I. Strategy and first results for dusty stellar populations. A.J., in press. arXiv: 2403.06980
Microsoft and quantum computing company Quantinuum claim to have developed a quantum computer with unprecedented levels of reliability. The ability to correct its own errors could be a step toward more practical quantum computers in the near future.
“What we did here gave me goosebumps. We showed that error correction is reproducible, works, and is reliable.” Krista Svoir At Microsoft.
Experts have long expected the arrival of practical quantum computers that can complete calculations too complex for traditional computers. Although quantum computers have steadily grown larger and more complex, this prediction has not yet been fully realized. One big reason for this is that all modern quantum computers are subject to errors, and researchers have found that it is technically difficult to implement algorithms to detect and correct errors during calculations. That's it.
The new experiment could be an important step toward overcoming this error problem. The researchers say that on his H2 quantum processor at Quantinuum, he ran more than 14,000 individual calculation routines without making a single error.
Errors occur even in classical computers, but error correction can be coded into programs by creating backup copies of the information being processed. This approach is not possible with quantum computing because quantum information cannot be copied. Instead, researchers distributed it across a group of connected qubits, or qubits, creating what are known as logical qubits. Microsoft and the Quantinuum team created four of these logical qubits using 30 qubits.
Svore said a process developed by Microsoft was used to generate these logical qubits, allowing them to run error-free, or fault-tolerant, experiments repeatedly. Typically, individual qubits are easily disturbed, but at the level of logical qubits, researchers were able to repeatedly detect and correct errors.
The approach was so successful, they say, that four logical qubits produced only 0.125 percent of the errors that would occur if 30 qubits were left ungrouped. This means that ungrouped qubits generate as many as 800 errors for every one error generated by a logical qubit.
“Having a logical error rate that is 800 times lower than that of physical qubits is a huge advance in the field and brings us one step closer to fault-tolerant quantum computing,” he said. says. mark suffman from the University of Wisconsin was not involved in the experiment.
jennifer strobley Quantinuum said the team's hardware is well-suited for new experiments because it provides advanced control over qubits and quantum computers have already achieved some of the lowest error rates ever. .
In 2023, a team of Harvard University researchers and their colleagues, including members of the quantum computing startup QuEra, broke the record for the largest number of logical qubits at once, 48. This is much more than his four logical qubits in the new device. But Strabley said the new device requires fewer physical qubits for each logical qubit, and the logical qubits have fewer errors than the one built by the Harvard team. “We used significantly fewer physical qubits and got better results,” she says.
However, some experts new scientist Without details about the experiment, researchers were not yet ready to qualify this new research as a breakthrough in quantum error correction.
It is generally believed that only quantum computers with more than 100 logical qubits can actually tackle scientifically and socially relevant problems in fields such as chemistry and materials science. The next challenge is to make everything bigger. Strabley and Svore say they are confident that the long-standing collaboration between Microsoft and Quantinuum will soon come to fruition.
A study shows that some of the most powerful AI tools meant to prevent cybercrime and terrorism can be bypassed simply by inundating them with fraudulent activities.
Researchers at Anthropic, the AI lab responsible for creating the large-scale language model (LLM) powering ChatGPT competitor Claude, detailed an attack called a “multi-shot jailbreak” in a recent paper. This attack was both simple and effective.
Claude, like many other commercial AI systems, contains safety features that block certain types of requests, such as generating violent content, hate speech, illegal instructions, deception, or discrimination. However, by providing enough examples of the “correct” responses to harmful questions like “How to create a bomb,” the system can be tricked into providing harmful responses despite being trained not to do so.
Anthropic stated, “By inputting large amounts of text in specific ways, this approach can lead the LLM to produce potentially harmful outputs even though it was trained to avoid doing so.” The company has shared its findings with industry peers and aims to address the issue promptly.
This jailbreak attack targets AI models with a large “context window” capable of processing lengthy queries. These advanced models are susceptible to such attacks as they can learn to circumvent their own safety measures faster.
Newer, more advanced AI systems are at greater risk of such attacks due to their ability to handle longer inputs and learn from examples quickly. Anthropic expressed concern over the effectiveness of this jailbreak attack on larger models.
Anthropic has identified various strategies to mitigate this issue. One approach involves adding a mandatory warning to remind the system not to provide harmful responses, which has shown promise in reducing the likelihood of a successful jailbreak. However, this method may impact the system’s performance on other tasks.
The largest producer of raw eggs in the nation has announced a temporary halt in production at its Texas factory on Tuesday due to avian influenza. The virus has been found in chickens, and authorities have reported cases at a poultry facility in Michigan as well.
Calmaine Foods, headquartered in Ridgeland, Mississippi, has euthanized about 1.6 million hens and 337,000 hens, or roughly 3.6% of its flock, after avian influenza cases were discovered at its Palmer facility in Texas. The company stated that it has been sanctioned in Texas County.
The plant is situated on the Texas-New Mexico border in the Texas Panhandle, about 85 miles (137 kilometers) southwest of Amarillo and 370 miles (595 kilometers) northwest of Dallas. CalMaine reported that most of its eggs are sold in the Southwest, Southeast, Midwest, and Mid-Atlantic regions of the United States.
The statement from the company mentioned, “We are collaborating closely with federal, state, and local authorities, as well as key industry organizations, to minimize the risk of further outbreaks and manage the response effectively.”
“Calmaine Foods is taking steps to ensure production from other facilities to mitigate any disruptions for customers,” the statement added.
The company clarified that there is no identified risk of avian influenza associated with eggs currently in the market, and no recalls have been issued for eggs.
According to the U.S. Department of Agriculture, properly processed and cooked eggs are safe for consumption. The department confirmed.
A day after the announcement by Cal-Maine, state health officials revealed that one person had been diagnosed with bird flu after potential exposure to an infected cow, but the risk to the public remains low. Federal health officials stated that the human case in Texas is the first documented instance globally of someone contracting this strain of bird flu from a mammal.
In Michigan, avian influenza was detected at a commercial poultry facility in Ionia County by the Michigan State University Veterinary Diagnostic Laboratory, as reported by the Michigan Department of Agriculture and Rural Development.
Ionia County is approximately 100 miles (161 kilometers) northwest of Detroit.
The department confirmed the disease on Monday following laboratory tests, marking the fourth instance since 2022 that the illness was identified at a commercial site in Michigan.
Department spokesperson Jennifer Holton stated on Tuesday that state regulations prohibit the disclosure of poultry types at the facilities. The facility is under quarantine, but no disruptions to the state’s supply chain are anticipated, according to Holton.
Dairy cows in Texas and Kansas reported Federal agriculture officials subsequently confirmed the infection in a Michigan dairy herd that had recently acquired cattle from Texas. An Idaho dairy herd was also added to the list after federal agriculture officials confirmed the presence of avian influenza, according to a USDA press release on Tuesday.
Amazon is facing an anti-government campaign that could lead to increased unionization among its employees, with allegations of unethical behavior surfacing. Workers attempting to organize within the warehouse have reported instances of fear tactics, misinformation, and unlawful retaliation by the tech giant.
Nearly two years ago, workers in Staten Island, New York, made history by forming America’s first warehouse union. As the Amazon union gathered momentum nationwide, the company worked to avoid a similar outcome at other locations.
Nanette Plasencia, a long-time employee at Amazon’s ONT8 fulfillment center in Moreno Valley, California, expressed concerns about the company’s tactics. She mentioned that Amazon is willing to go to great lengths, even if it means breaking the law, to prevent unionization.
Documentation shared with the Guardian revealed how Amazon pushed back against union efforts within ONT8 by disseminating anti-union messages. Employees were subjected to propaganda on TV screens warning them about the negative impact of unions on their paychecks.
These actions have led to allegations of unfair labor practices against Amazon, with the unionization process at the company facing legal challenges from both sides. The situation is currently pending a lawsuit and verdict from the National Labor Relations Board.
Despite facing opposition from the company, Amazon workers in Moreno Valley attempted to hold a union vote in October 2022. However, the election petition was withdrawn following alleged violations of labor laws by Amazon administrators.
The case is set to be heard by an administrative law judge in August, with Amazon denying any wrongdoing at ONT8. They have dismissed the majority of the charges brought against them and are eager to prove their innocence as the legal proceedings unfold.
More than 200 prominent musicians have joined in signing an open letter to advocate for protections against the predatory use of artificial intelligence to mimic human artists’ likeness, voice, and sound. The signatories come from various musical genres and eras, including popular stars like Billie Eilish, J Balvin, and Nicki Minaj, as well as icons like Stevie Wonder and REM from the Rock and Roll Hall of Fame. The estates of Frank Sinatra and Bob Marley have also signed the letter.
The letter was published by Artist Rights Alliance. Advocacy groups have urged technology companies to commit to not developing AI tools that undermine or replace human songwriters and artists.
The letter emphasizes the need to protect human creativity from being exploited by AI, stating, “We need to stop the predation of AI to steal the voices and likenesses of professional artists, violate the rights of creators, and disrupt the music ecosystem.”
While the letter does not advocate for a complete ban on AI in music and production, it acknowledges that responsible use of the technology can benefit the industry. Music producers have been utilizing AI tools in various ways, including isolating vocals from old demo tracks, as seen in a project creating a new Beatles song from John Lennon’s vocals.
The Artist Rights Alliance’s letter is part of a larger industry-wide response to the ethical and legal implications of generative AI technologies, especially in relation to copyright infringement and workers’ rights. Artist unions, advocacy groups, and studios are actively working to regulate the use of AI in music and production.
Concerns have been raised about AI being used to create songs, scripts, images, and videos, including deepfake pornographic content of artists like Taylor Swift. Lawmakers are introducing legislation to address the misuse of AI, with recent laws criminalizing non-consensual AI creations of sexual images. Companies using artists’ work to train AI models without permission are also under scrutiny.
In response, Tennessee enacted the Portrait, Voice, and Image Security Act, known as the “Elvis Act”, to protect musicians from unauthorized use of AI-generated vocal likenesses for commercial purposes. The debate extends to posthumous use of artists’ likenesses, as AI tools are capable of creating realistic representations based on old footage.
As AI tools become more ubiquitous, musicians are taking a stand on acceptable uses of artificial intelligence. Some artists see generative AI as a tool for experimentation, while others express concerns about imitations of their musical styles.
The Artist Rights Alliance, led by music industry veterans like director Roseanne Cash, has garnered support from a wide range of artists, including country stars, rappers, and indie pop musicians. Estate organizations representing deceased artists have also signed the letter, reflecting the ongoing debate in the entertainment industry about posthumous use of artists’ likenesses through AI.
The intersection of AI and music continues to raise complex ethical and legal questions, with artists and industry stakeholders advocating for responsible use of technology to protect artistic integrity and creativity.
Recent discoveries by scientists on the human gut microbiome, which consists of microorganisms like bacteria, archaea, fungi, and viruses residing in the gastrointestinal tract, may lead to new weight loss interventions in the future.
To be presented at the European Obesity Conference (ECO), researchers have identified specific microbial species that could either increase or decrease an individual’s risk of obesity.
Through a study involving 361 adult volunteers from Spain, scientists identified a total of six main species.
The lead researcher, Dr. Paula Aranaz, who obtained her PhD from the Nutrition Research Center of the University of Navarra, explained, “Our findings highlight the potential role of imbalances in various bacterial groups in the development and progression of obesity.”
undefined
Participants were categorized based on their body mass index: 65 were of normal weight, 110 were overweight, and 186 were obese. Genetic microbiota profiling was conducted to analyze the type, composition, diversity, and abundance of bacteria present in their fecal samples.
The study found that individuals with higher body mass index had lower levels of Christensenella Minuta, a bacterium associated with weight loss in other studies.
<.p>Interestingly, there were gender-specific differences in the findings. For men, the species Parabacteroides hercogenes and Campylobacter canadensis were linked to higher BMI, fat mass, and waist size. On the other hand, for women, the species Prevotella copri, Prevotella brevis, and Prevotella saccharolytica predicted obesity risk.
According to Aranaz, “Fostering certain bacterial types in the gut microbiota, like Christensenella Minuta, may protect against obesity. Future interventions aimed at altering bacterial strains or bioactive molecules levels could create a microbiome resistant to obesity.”
While the study focused on a specific region of Spain, factors such as climate, geography, and diet could influence the results. These findings could lead to tailored nutritional strategies for weight loss that take into account gender differences.
About our expert:
Paula Aranaz is a researcher at the Nutrition Research Center of the University of Navarra in Spain, focusing on bioactive compounds to prevent and treat metabolic diseases. Her research has been published in journals like International Journal of Molecular Science, Nutrients, and European Journal of Nutrition.
In the realm of earthquakes, one should always anticipate the unexpected. This is the message conveyed by seismologists Professor Eric Curry from Ecole Normale Supérieure (ENS) in Paris, and Jean François Ritz, the Director of CNRS Laboratoire Géosciences in Montpellier.
At the core of their counsel lies the fact that earthquakes can occur in unexpected places. These enigmatic occurrences, known as intraplate earthquakes, manifest in geologically tranquil locations, distant from the active boundaries of tectonic plates.
The French scientists are dedicated to comprehending and elucidating these phenomena.
Unpredictable and Destructive
The blocks of rock forming the fragile outer shell of our planet move gradually across the Earth’s surface, at a pace akin to the growth rate of a human fingernail.
While the majority of geological activity of note transpires where plates converge, intraplate earthquakes diverge from this norm, occurring within plates, far from their peripheries.
Curry and Ritz have a compelling motive to shine a light on this topic, given that intraplate earthquakes are infrequent, with a limited number of notable occurrences compared to earthquakes at plate boundaries. Professor Curry noted that only around 20 earthquakes measuring 6 or more in magnitude have been recorded since 1974. This amounts to less than half the percentage of similar-sized earthquakes observed at plate edges during the same timeframe. Their scarcity and protracted duration render them challenging to forecast, yet they have the potential to inflict considerable devastation on unprepared urban centers that have never viewed earthquakes as a pressing concern.
Intraplate earthquakes can transpire wherever geological faults exist within the Earth’s crust. Over the past centuries, they have been documented in locations as diverse as Basel, Switzerland, New York, Boston in the United States, and the St. Lawrence River in Canada.
More recently, they wrought havoc in the Australian city of Newcastle, as well as in Botswana and Puebla, Mexico in 2017, resulting in nearly 400 fatalities in the latter.
The Magnitude of the Problem
Curry and Ritz garnered attention for a magnitude 5 earthquake near the Rhone Valley village of Le Teil in 2019, while a magnitude 5.2 earthquake shook the Lincolnshire town of Market Larsen in England in 2008. Termed the “Larsen Earthquake” by local newspapers, it caused one injury and incurred damages estimated at around £20 million. The seismic events in the UK and France tend to be minor, contrasting with occurrences in other global regions.
The most devastating intraplate earthquake of modern times took place in 2001, with a magnitude of 7.6, striking Bhuj, Gujarat, India. This catastrophic event razed an estimated 300,000 edifices and claimed the lives of up to 20,000 individuals. Looking back to 1886, a around magnitude 7 earthquake hit Charleston on the US east coast, resulting in 60 casualties and widespread devastation. A few years later, the New Madrid, Missouri area endured three potent intraplate earthquakes measuring up to magnitude 7.5, inducing violent tremors across the vicinity.
The rarity of these seismic episodes, combined with their potential for extensive destruction, underscores the urgency for a deeper understanding of intraplate earthquakes.
Increasing Tension
Both intraplate and plate margin earthquakes share a common operational mechanism. Essentially, strain builds up over time on geological faults within the Earth’s crust until it reaches a critical threshold, leading to fault rupture or slippage, thereby generating earthquakes. The release of this built-up energy in the form of seismic waves alleviates the strain. However, the process begins anew as strain accumulates again. Although the process mirrors itself in both types of earthquakes, the triggers that prompt rupture likely differ.
Curry and Ritz propose that while fault rupture at plate margins is predominantly instigated by plate movements, intraplate earthquakes within the plate’s interior are spurred by discrete triggers that occur rapidly on geological time scales. Such triggers could encompass various phenomena such as unloading due to ice sheet melting, surface erosion, rain infiltration, or fluid displacement from the Earth’s mantle.
Intraplate Complexity
It’s worth noting that a fault primed for rupture can be triggered by an equivalent pressure to a handshake. Consequently, even though millions of years may have been necessary for strain to accumulate on ancient intraplate faults, their activation could unfold swiftly over a brief period. Curry and Ritz explored the Le Teil earthquake of 2019 and concluded that it was probably triggered by the shedding of the upper crust following the region’s glacier recession post the Ice Age, possibly triggered by a nearby quarry.
The unloading and deformation of the Earth’s crust post the rapid melting of colossal ice sheets about 20,000 to 10,000 years before the present epoch is presumed to have catalyzed numerous intraplate earthquakes, including those at New Madrid, Charleston, and Basel. At the decline of the Ice Age, Norway and Sweden witnessed a surge in seismic events as the 3 km thick Scandinavian ice sheet melted rapidly, unburdening intraplate faults underneath it, and releasing accumulated strain over thousands of years.
This period witnessed several sizable earthquakes with one heaving about 8,200 years ago, instigating a massive underwater landslide off Norway’s coast, engendering a North Atlantic Ocean tsunami with crest heights reaching 20 meters across the Shetland Islands and 6 meters along Scotland’s eastern coastline.
Prediction Problems
The intricacies of predicting intraplate earthquakes pose a formidable challenge, as Curry highlights, stating, “For these peculiar earthquakes, calculating future risk is highly intricate, particularly given their sporadic nature in specific locales. Objective indicators for evaluating future intraplate seismicity are lacking.”
Despite the convolutions associated with predicting intraplate earthquakes, research concerning the peril posed by these events in historically affected regions is critical. The burgeoning urbanization in areas with past intraplate earthquake history is cause for concern.
Currently, more than half of the global populace resides in urban centers, with cities in regions susceptible to intraplate earthquakes witnessing substantial expansion. Basel, Switzerland, for instance, the nation’s second-largest urban conurbation with a populace of approximately 500,000, serves as a key hub for banking and the chemical sector. In the event of an earthquake akin to the one in 1356, the outcomes would be significantly more severe, portending thousands of casualties and severe property damages.
Similarly, Charleston in the United States, with a population exceeding 550,000, now finds itself at the heart of a bustling city characterized by stone and concrete edifices, rendering it vulnerable to calamitous consequences if struck by an earthquake akin to the 1886 event.
Looking towards the future, the specter of global warming looms large, with the potential to increase intraplate seismic activity as glacial and ice sheet melts diminish the underlying crust’s load, sparking fault ruptures and strain release accumulated over millennia.
The ramifications of such seismic events reverberate across a broad cross-section of society, driving home the importance of preparedness and vigilance in regions prone to intraplate earthquakes.
Some snakes seem to respond differently to their scent when it changes, suggesting that they have some form of self-awareness.
A small number of animals, including roosters, horses, and cleaner fish, have shown signs of self-awareness in the so-called mirror test. This includes applying paint to areas of the body that cannot be seen without a mirror, such as the forehead. If an animal touches a mark when it looks in the mirror, it suggests that it knows it is its own reflection and not another individual’s image.
“But snakes and most reptiles interact with the world primarily through smell,” he says. gnome miller At Wilfrid Laurier University, Canada. So he and his colleagues tried an alternative, odor-based version of the mirror test.
Team members collected scents from 36 Eastern Garter Snakes (Thamnophis certalis) and 18 ball pythons (python) Wipe along the skin with a cotton pad.
Next, each snake was exposed to five scents. My snake, my snake with a little olive oil, his one with just olive oil, another snake of the same species, and his one with another snake with a little olive oil.
The garter snakes responded to their own modified scent by clicking their tongues more often and for longer periods of time compared to other scents.
“The only time they click their tongues is when they’re interested in something or when they’re researching something,” Miller said. This suggests that garter snakes can recognize that something about themselves doesn’t smell right. “They might be thinking, ‘Oh, this is weird, I shouldn’t smell like this.'”
Ball pythons, on the other hand, responded the same way to all odors. Garter snakes are much more social than ball pythons, Miller said, so social species may be more likely to be self-aware.
This discovery is the first evidence of potential self-awareness in snakes, Miller said. “There’s a misconception that snakes, and almost all reptiles, are dull, instinctive, non-cognitive animals, but that’s definitely not true.”
but, Johannes Brandl Researchers at the University of Salzburg in Austria question whether this should be interpreted as self-awareness. “This interpretation is only valid if a correlation with social behavior can be established,” he says. Otherwise, one could argue that some snake species are simply more inclined to participate in experiments.
This Hubble image shows a star-forming region containing giant young blue stars in the Tarantula Nebula. Image credits: NASA/ESA/STScI/Francesco Paresce, INAF-IASF Bologna/Robert O'Connell, UVA/SOC-WFC3/ESO.
“We believe the ULLYSES project is revolutionary and will have an impact across astrophysics, from exoplanets to the influence of massive stars on the evolution of galaxies, to understanding the early stages of the evolving universe. ” said Dr. Julia Roman-Duval, leader of the ULLYSES implementation team. She is an astronomer at the Space Telescope Science Institute.
“Apart from the specific purpose of research, stellar data can also be used in the field of astrophysics in ways we cannot yet imagine.”
Dr. Romain Duval and her colleagues studied 220 stars and combined their observations with information on 275 stars from the Hubble archive.
The study also includes data from some of the world's largest and most powerful ground-based telescopes and X-ray space telescopes.
The ULLYSES dataset consists of stellar spectra and includes information about each star's temperature, chemical composition, and rotation.
One of the star types being studied under ULLYSES is an ultra-hot, massive blue star.
They are a million times brighter than the Sun and glow intensely in ultraviolet light that can be easily detected by Hubble. Their spectra contain important information for diagnosing the speed of powerful winds.
The wind drives the evolution of galaxies, producing galactic seeds with the elements necessary for life. These elements are cooked in the star's fusion reactor and injected into space as the star dies.
ULLYSES targeted blue stars in nearby galaxies that are deficient in elements heavier than helium and hydrogen.
“Observations of Ulises are a stepping stone to understanding the first stars and their winds in the universe and how they influence the evolution of young host galaxies,” said Dr. Romain Duval.
Another category of stars in the ULLYSES survey are young stars with less mass than the Sun.
Although it is cooler and redder than the Sun, during its formative years it emits large amounts of high-energy radiation, including bursts of ultraviolet and X-rays.
As they are still growing, they are collecting material from the surrounding planet-forming disks of dust and gas.
Hubble's spectra contain important diagnostic information about the mass-gaining process, including the amount of energy this process releases into the surrounding planet-forming disk and nearby environment.
Intense ultraviolet radiation from young stars influences the evolution of these disks as they form planets and the potential habitability of newborn planets.
The target star is located in a star-forming region near the Milky Way.
The ULLYSES concept was designed by a panel of experts with the aim of using Hubble to provide a conventional set of stellar observations.
“ULLYSES was originally conceived as an observation program using Hubble's high-sensitivity spectrometer,” said Dr. Roman Duval.
“However, this research was greatly enhanced by community-driven complementary observations in collaboration with other ground-based and space-based observatories.”
“By covering such a wide area, astronomers can study the lives of stars in unprecedented detail and develop a more comprehensive picture of the properties of these stars and how they affect their environments. It becomes possible to draw.”
This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
Strictly Necessary Cookies
Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings.
