Discovery of ancient marine tapeworm preserved in 99-million-year-old amber

Paleontologists from the Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, and others have discovered a partial fossil of an ancient tapeworm preserved in Kachin amber from Myanmar from the mid-Cretaceous period.

A 99-million-year-old amber fragment containing a tapeworm fossil (long tentacles) and other inclusions: (AB) Overall view of the amber fragment. (C) Trichophytes of Gleichenidae. (D) Scale insect larva. (E) Sand grains. Scale bar – 2 mm inches (A, B), 0.1 mm inches (CE).Image credit: Luo other., doi:10.1130/G52071.1.

Parasites, especially parasitoids, are ubiquitous in extant ecosystems but poorly preserved in the geological record.

One such group is Sestoda (tapeworms), a special group of internal parasites flatworm.

These organisms have complex life cycles with at least two hosts and infect all major vertebrate groups.

However, due to its soft tissue and hidden habitat, the fossil record is very sparse, with the only widely accepted example of a pre-Quaternary period being a shark egg found in a Permian coprolite. be.

The lack of body fossils greatly hinders our understanding of early evolution.

Dr. Bo Wang, a researcher at the Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, said: “The fossil record of tapeworms is extremely poor due to its soft tissue and endoparasite habitat, which is a major hindrance in understanding its early evolution. ''. Science.

The new fossil exhibits unique external (armature pattern) and internal (partially invaginated tentacles and rootless hooks) features that are most consistent with extant tentacles. Trypanolhynch tapeworm Parasitic substances of marine life elasmobranch (mainly sharks and rays).

“This discovery is the most convincing platyzoan fossil ever discovered,” said Dr. Cihang Luo. candidate at Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences.

“Our study provides an exceptional example of a marine endoparasite trapped in amber and also sheds new light on amber taphonomy.”

“Specifically, we showed that amber can preserve the internal structure of helminths.”

“Using high-resolution micro-CT, we discovered that inside the modern fossil, a folded vertical structure extending spirally around the longitudinal axis extends to the very front. It matches the tentacle you entered.”

“On the other hand, rootless hooks are the same as trypanorhynch hooks.”

“Previous studies have shown that internal structures can be preserved intact, similar to modern forms, but all such studies have focused on arthropods.”

A hypothetical ecological recreation of the Trypanorhynch tapeworm fossil. Image credit: Dinghua Yang / Luo other., doi:10.1130/G52071.1.

“Our results show that amber can preserve the internal structure of helminths such as tapeworms over geological time scales,” Dr. Wang said.

“In addition to remarkable examples of marine endoparasites trapped in amber, several Gleichenia trichomes and scale insect larvae were also preserved in the same amber specimen along with partial insect remains. I did.”

“This clearly indicates that it was in a terrestrial or terrestrial environment at the time it was trapped in the resin.”

“Additionally, many sand grains are evenly distributed throughout the amber, suggesting that the fossil was buried in a sandy environment.”

“Furthermore, evidence so far indicates that Kachin amber was deposited in a near-shore environment.”

“One possible scenario for the tapeworm being deposited in the amber is that its elasmobranch host became stranded by tides or storms.”

“In such a scenario, the host would have been bitten by a high level of terrestrial predator or scavenger.”

“When the host was consumed by a predator, the tentacles were pulled apart, detached from the intestine, and attached to nearby resin.”

“Our study further supports the hypothesis that Kachin amber was probably deposited in a paleoenvironment in the Pala region, and also highlights the importance of amber studies in paleoparasitology.”

team's paper It was published in the magazine geology.

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Jikyoura other. Exceptional preservation of marine tapeworm tentacles preserved in Cretaceous amber. geology, published online March 22, 2024. doi: 10.1130/G52071.1

Source: www.sci.news

The Benefits of Embracing Solitude for Mental Wellbeing

Recently, I was walking alone down a quiet, winding road. The road is snowy and slippery, making it difficult to walk. The sun felt warm on my face. As I trudged uphill, I missed seeing my girlfriend’s partner, but I was grateful to be able to visit my little sister, who I don’t see often.

I spent a few hours alone that day. At that time, I felt a variety of emotions, including curiosity, anxiety, and joy. It was a welcome period of solitude, and I returned to civilization feeling calmer and clearer than when I left.

Think back to the last time you were alone. Maybe you were commuting to work or getting up before the rest of your family. Maybe you live alone. Did you enjoy that period of solitude and long to connect with others, or did you let it pass without much thought?

Loneliness is inevitable. The adults inside England And the US One-third of your waking life is spent alone And it increases as you get older. In many places, we live alone more than ever before.Recent Survey of 75 countries We find that 17 of these locations have more than 25% single-person households.

As social creatures, research has historically kept us from spending time in solitude. But these days, more and more people seem to be craving time away from the crowds. Well, we now have evidence as to why spending time alone feels so good and may actually be essential to your health and well-being. Furthermore, we…

Source: www.newscientist.com

Introducing Galaxy Squad: 5 essential tips for selecting a gaming laptop

When it comes to gaming, the experience is everything. Whether you’re into Fortnite or Baldur’s Gate 3, full immersion is key, and that requires a laptop that can keep up. According to expert Eleanor Alley, who coordinates events at the University of Warwick Esports Center, the laptop you choose will depend on the specific requirements of the game you want to play. From beginners to seasoned pros, there are certain technical aspects that everyone should be aware of…

What should you consider in a gaming laptop?
One crucial factor that can elevate your gaming experience is the speed of your computer. This directly impacts how smoothly the game runs and how realistic the graphics appear. Performance is influenced by three main components: the CPU (Central Processing Unit), which serves as the computer’s “brain”; RAM (Random Access Memory), which stores data required for quick access during operations, similar to short-term memory; and the GPU (graphics processing unit), which generates the images displayed on the screen.

What are the key features of a high-performance gaming laptop?
Nothing is more frustrating than a game freezing at a critical moment, indicating that your computer may not meet the game’s requirements. If the CPU, RAM, or GPU are not powerful enough, loading times and frame rates will suffer. Higher frame rates result in smoother visuals, while faster loading speeds lead to seamless transitions between scenes.

When shopping for a laptop, processing power should be a top consideration. The CPU, the main processor, typically contains multiple cores that handle instructions. While a “quad-core” processor may be adequate for some laptops, those designed for gaming should ideally have 8 or more cores. For top-notch performance, a processor with 16 cores, like the newly launched Intel Core Ultra 7 and Intel Ultra 9 in the Samsung Galaxy Book4 Ultra, is recommended.

Immerse yourself in the action with high-quality audio

Increasing the amount of RAM can also enhance your gaming experience by ensuring smoother gameplay. Insufficient RAM can lead to lag, instability, and frustration. Gaming laptops should ideally have at least 16 GB of RAM, with options for more like the 32 GB available in the Samsung Galaxy Book4 Ultra.

The final piece of the puzzle is the graphics processing unit, which is essential for better visuals and gameplay. A dedicated GPU, separate from the CPU, is crucial for improved performance, especially in demanding games like Red Dead Redemption 2. The Galaxy Book4 Ultra offers two highly acclaimed NVIDIA RTX graphics options.

For Lee, the overall gaming experience hinges on the integration of these elements.

Her recommendation is to compare your system’s specifications with the game’s hardware requirements and test your favorite games on the laptop you’re considering or try out more demanding titles like Baldur’s Gate 3.

What is the ideal screen size for gaming?
Lee suggests a minimum screen size of 15.6 inches, which is met by the 16-inch screen of the Galaxy Book4 Ultra. She advises opting for a screen resolution of at least 1080p and a refresh rate of 120 Hz for an enhanced gaming experience. The Galaxy Book4 series features a 3K screen resolution, providing a superior gameplay experience, especially for players who enjoy first-person games.

Modern laptops utilize AI and high-performance GPUs to create more realistic visuals. Vibrant colors and a visible touchscreen even in bright conditions further enhance the gaming experience.

Besides a great screen, top-notch audio is essential for gamers. Therefore, the inclusion of high-quality speakers and a studio-quality microphone with AI noise cancellation ensures immersive sound and minimal distractions.


How can I ensure my laptop is compatible with gaming hardware?
Portability is a key aspect of laptops. However, this should not limit your ability to use various hardware such as external screens, controllers, charging docks, headsets, and other accessories. Therefore, a laptop with multiple ports is essential. The Galaxy Book4 series laptops are equipped with two Thunderbolt 4 ports, along with USB, HDMI, headphone, and microphone jacks.

What are the most important factors to consider when choosing a gaming laptop?
As long as you have a capable CPU and GPU, sufficient RAM, and a quality screen, you likely have a great gaming laptop. While some may prioritize a 4K display, the graphics processor is more crucial and should be the main focus when balancing costs.

One of the advantages of laptops is their portability, as noted by Lee who values the ability to take it anywhere. In the past, this could mean compromising performance, but modern laptops maintain both portability and power.

For more information on which Samsung Galaxy Book4 laptop suits your gaming needs, visit: samsung.com/uk/galaxy-book

© Intel Corporation. Intel, the Intel logo, and other Intel marks are trademarks of Intel Corporation or its subsidiaries. Other names and brands may be claimed as the property of others.

Source: www.theguardian.com

This robot can anticipate your smile and respond with its own

Emo robot imitates human facial expressions

Yuhan Fu

A humanoid robot can predict one second in advance whether someone will smile and match the smile on its own face. The creators hope this technology will make interactions with robots more realistic.

Artificial intelligence is now able to imitate human language to an impressive degree, but interacting with physical robots often falls into the “uncanny valley.” One reason for this is that robots cannot reproduce the complex nonverbal cues and mannerisms that are essential to communication.

now, Hod Lipson Researchers at Columbia University in New York have developed a robot called Emo that uses AI models and high-resolution cameras to predict and attempt to reproduce people's facial expressions. It predicts whether someone will smile about 0.9 seconds in advance and smiles accordingly. “I'm a jaded roboticist, but when I see this robot, I smile back,” Lipson says.

Emo consists of a face with a camera in its eyeball and a flexible plastic skin with 23 individual motors attached by magnets. This robot uses her two neural networks. One looks at people's faces and predicts their expressions, and her other one figures out how to create expressions on her own face.

The first network was trained on YouTube videos of people making faces, while the second network was trained by watching the robot itself make faces on a live camera feed. “You learn what your face looks like when you pull all your muscles,” Lipson says. “It's like being in front of a mirror. Even if you close your eyes and smile, you know what your face looks like.”

Lipson and his team hope Emo's technology will improve human-robot interaction, but first they need to expand the range of expressions robots can perform. Lipson also wants to train his children to express themselves in response to what people say, rather than simply imitating others.

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Source: www.newscientist.com

Graviton: An Insight into a Particle with Gravitational Behavior

Have you found any traces of gravitons?

zf L/Getty Images

For decades, physicists have been searching for gravitons, the hypothetical particles thought to carry gravity. Although they had never been detected in space, particles like gravitons have now been observed in semiconductors. Using these to understand the behavior of gravitons could help unify general relativity and quantum mechanics, which have long been at odds.

“This is a needle in a haystack. [finding]. And the paper that started all this goes back to 1993. ” lauren pfeiffer at Princeton University. He wrote the paper with several colleagues. Aaron Pinchukdied in 2022 before finding any hint of the elusive particle.

Pinchuk's students and collaborators, including Pfeiffer, have completed the experiment they began discussing 30 years ago. They focused on electrons within a flat piece of the semiconductor gallium arsenide, which they placed in a powerful refrigerator and exposed to a strong magnetic field. Under these conditions, quantum effects cause electrons to behave in strange ways. The electrons interact strongly with each other, forming an unusual incompressible liquid.

Although this liquid is not gentle, it is characterized by collective motion in which all the electrons move in unison, which can lead to particle-like excitations. To investigate these excitations, the team illuminated the semiconductor with a carefully tuned laser and analyzed the light scattered from the semiconductor.

This revealed that the excitation contains a type of quantum spin that had previously been theorized to exist only in gravitons. This isn't a graviton itself, but it's the closest thing we've ever seen.

Liu Ziyu The professor at Columbia University in New York who worked on the experiment said he and his colleagues knew that graviton-like excitations could exist in semiconductors, but they needed to make the experiment precise enough to detect it. He said it took many years. “From a theoretical side, the story was kind of complete, but the experiments weren't really convincing,” he says.

This experiment is not a true analog of space-time. Electrons are confined in flat, two-dimensional space and move more slowly than objects governed by the theory of relativity.

But he says it is “hugely important” and bridges various previously underappreciated areas of physics, such as materials physics and the theory of gravity. Kun Yan from Florida State University was not involved in this study.

but, Zlatko Papik Researchers at the University of Leeds in the UK cautioned against equating the new discovery with the detection of gravitons in space. He said the two are equivalent enough for electronic systems like the one in the new experiment to serve as a testing ground for theories of quantum gravity, but they are not equivalent for all quantum phenomena that occur in space-time on a cosmic scale. It says no.

This connection between particle-like excitations and theoretical gravitons also yields new ideas about exotic electronic states, team members say. de Linjie At Nanjing University, China.

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Source: www.newscientist.com

Europe’s longest Hyperloop test track reignites excitement for the future of metro transportation

Europe’s longest Hyperloop test line opening has once again sparked hopes for a future that combines maglev and vacuum tube transportation technologies.

Operators believe that this facility will demonstrate the feasibility of Hyperloop, paving the way for a high-speed tube network spanning 6,200 miles (10,000km) across the continent by 2050.

Currently, the testbed at the European Hyperloop Center in Veendam is a 420-meter-long bifurcated white pipe running alongside a track and road, not yet transporting people in the Netherlands.

The test pipe, constructed from 34 connected 2.5-meter-wide prefabricated steel cylinders, partially funded by the EU, falls short of the envisioned two-mile track for 2020 due to speed limitations. The goal is to achieve the required 620 mph (1,000 km/h) in the future.



Test track at the European Hyperloop Center in Veendam. Photo: Hollandse Hoogte/Rex/Shutterstock

The Vandeem pipe’s fork will be instrumental in testing “lane switching” during high-speed vehicle course changes, with initial tests conducted by Hard Hyperloop in the Netherlands.

The center’s director, Sacha Lam, hailed this development as a pivotal moment, envisioning a pan-European network with infrastructure branching to various destinations like Paris and Berlin.

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The concept of the Hyperloop was introduced by Elon Musk in 2013, proposing a line between San Francisco and Los Angeles. This innovative transportation method could revolutionize travel speed and efficiency.

Despite past setbacks, such as Hyperloop One’s bankruptcy, proponents like Sacha Lam see a bright future where a European Hyperloop network could become a reality within decades, offering a cleaner, quieter, and faster mode of transportation.

This innovative technology could help Europe catch up with pioneering developments in China, where a “low-vacuum pipeline magnetic levitation technology” test track was unveiled in 2022.

Source: www.theguardian.com

Antibody treatment restores immune function in elderly mice

Antibodies are proteins that can target and attack specific cells.

Mirror Images/Alamy

An experimental treatment rejuvenates the immune systems of older mice and improves the animals’ ability to fight infections. If this treatment is effective in humans, it could reverse the age-related decline in immunity that makes older people more susceptible to illness.

These reductions may be due to changes in blood stem cells, which can develop into all types of blood cells, including important components of the immune system. As we age, a greater proportion of these stem cells tend to produce some immune cells than others. Jason Ross at Stanford University in California. This imbalance impairs the immune system’s ability to fight infection. It also promotes chronic inflammation, which accelerates aging and increases the risk of age-related diseases such as heart disease, cancer, and type 2 diabetes.

Ross and his colleagues have developed a treatment that uses antibodies, proteins that recognize and attack specific cells, to target these biased stem cells. Next, they tested the treatment on six mice aged 18 to 24 months. This is roughly equivalent to a human being between 56 and 70 years old.

One week after receiving the antibody injection, these abnormal stem cells in the mice had decreased by about 38 percent compared to six rodents of the same age who did not receive treatment. They also had significantly higher amounts of two types of white blood cells important for recognizing and fighting pathogens, and lower levels of inflammation.

“You can think of this as turning back the clock,” says Ross. “We are adjusting these percentages [immune] more similar cells [those of] A young adult mouse. ”

To test whether these changes result in a stronger immune system, the researchers vaccinated 17 older mice with a mouse virus. Nine of these mice had received antibody treatment eight weeks earlier. The researchers then infected rodents with the virus. After two weeks, the number of infected cells in the animals was measured and it was found that almost half of the treated mice (4 out of 9) had completely cleared the infection, compared to 1 out of 8 of the untreated mice. It turned out that there was only one.

Taken together, these findings demonstrate that antibody treatment rejuvenates the immune system of aged mice. Humans, like rodents, have more abnormal blood stem cells as they age, so a similar antibody treatment could also boost their immune systems, Ross said.

Such a possibility is still far away, robert signer at the University of California, San Diego. First, we need a better understanding of the potential side effects of treatments. In an accompanying article, Signer and his colleagues write: Yasar al-Fat KassResearchers, also at the University of California, San Diego, suggest that depletion of stem cells, even abnormal stem cells, may increase cancer risk. On the other hand, “if you have a better immune system, you’ll be better at investigating cancer, so we don’t know exactly what will happen yet,” Signer says.

Still, Ross says these findings are a promising advance in understanding age-related immune decline and how to reduce it.

Aging is the biggest risk factor for various diseases. “Rejuvenating or improving immune function in older adults could really help fight infectious diseases,” Signer says. “It may also have an impact on different types of chronic inflammatory diseases. That’s what’s so exciting here.”

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Source: www.newscientist.com

Global expansion: Meta and Google facing accusations of limiting access to reproductive health information

A recent report accuses Meta and Google of obstructing information about abortion and reproductive health in Africa, Latin America, and Asia.

MSI Reproductive Choices and the Center to Combat Digital Hate claim that while these platforms restrict advertising for local abortion providers, they don’t limit public access to reproductive health care, leading to the spread of damaging misinformation.

Mehta has agreed to review the findings of the report.

MSI, operating in 37 countries, has had ads containing sexual health information rejected or removed by the platforms.

MSI Ghana and Vietnam reported that their ads promoting reproductive health content were removed or flagged as violating community guidelines.

Whitney Chinogwenya, Global Marketing Manager at MSI, expressed concerns about the censorship of reproductive health content on social media platforms like Facebook, which many women rely on for information.

MSI Mexico faced removal of a Facebook post promoting legal abortion services despite the recent decriminalization of abortion in some states.

The report highlighted Meta’s inaction against anti-abortion misinformation and misleading content about abortion procedures.

The report also revealed fake MSI pages on Facebook that exploit the organization’s reputation for various malicious purposes.

MSI clinics in Ghana were targeted by disinformation campaigns on messaging platforms.

MSI Ghana Advocacy stresses the importance of fact-checking systems on digital platforms to promote accurate reproductive health information.

The report, compiled from interviews and evidence from MSI teams in several countries, aims to raise awareness among digital platforms about their responsibilities.

Meta and Google responded to the report’s allegations, with Meta emphasizing its policies against false information and Google denying any inconsistent enforcement on its platforms.

Both companies stated their commitment to ensuring accurate and compliant advertising on their platforms.

Source: www.theguardian.com

Researchers Develop Detailed Geological Map of Oxia Plain

Using data from ESA’s ExoMars Trace Gas Orbiter and NASA’s Mars Reconnaissance Orbiter, planetary scientists created a 1:30,000-scale geological map of the Oxian Plain, the landing site for ESA’s ExoMars Rosalind Franklin rover mission. Created.



Faudon other. Created the most detailed geological map of Oxia Planitia, the Mars landing site for ESA’s Rosalind Franklin rover. Image credit: Faudon other., doi: 10.1080/17445647.2024.2302361.

Oxia Planum Located on the northern edge of Arabian Terra, it preserves a record of the diverse geological processes that shaped the region.

It is a transitional region between the cratered Arabian Terra and the young lowland plain of the Chryse Planitia.

“Oxia Planum is located near the Martian equator and contains deposits that are nearly 4 billion years old,” said Open University researcher Peter Faudon and colleagues.

“On a geological scale, this would be the oldest landing site ever visited by a spacecraft on Mars.”

“This region is rich in clay minerals that form due to the presence of water. These rocks are ideal for preserving evidence of the earliest forms of life. This makes it possible to predict that life once existed on Mars. It’s a great place to look for clues as to whether this is the case.”

To map the Oxian Plains, the authors used several instruments, including the Color and Stereo Surface Imaging System (CaSSIS) onboard the ExoMars Trace Gas Orbiter and the HiRISE camera on NASA’s Mars Reconnaissance Orbiter (MRO). We used data from.

This map details 15 rock units classified into 6 groups and 7 textural and surface units.

“This map includes the main types of rock and structures with unique shapes, such as ridges and craters,” the researchers said.

“It also features materials that are placed on top, blown by the wind or blown long distances when a meteorite hits the Earth’s surface, for example.”

The result is the highest-resolution map of the Oxian plains to date at a scale of 1:25000, where 1 centimeter corresponds to 250 meters on the surface of Mars.

Average daily driving time is 25-50 minutes. rosalind franklin rover On the map it is 1-2 mm.

“This map is really interesting because it’s a guide to where the answers are,” Dr. Faudon said.

“This serves as a visual hypothesis for what we currently know about the different rocks at the landing site.”

“With the instruments on board the Rosalind Franklin rover, you can test your knowledge on the fly when the time comes.”

of result Published in map journal.

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peter faudon other. 2024. High-resolution map of the Oxian Plains on Mars. Landing site for the ExoMars Rosalind Franklin rover mission. map journal 20(1); doi: 10.1080/17445647.2024.2302361

Source: www.sci.news

The Melting of Polar Ice Could Alter Earth’s Rotation and Timekeeping.

Global warming is causing the Earth’s rotation to slow slightly, which could affect the way we measure time.

A study published Wednesday found that the melting of polar ice, a trend accelerated primarily by anthropogenic climate change, is causing the Earth to spin more slowly than it would otherwise.

Study author Duncan Agnew, a geophysicist at the Scripps Institution of Oceanography at the University of California, San Diego, said melting polar ice changes where the Earth’s mass is concentrated. This change affects the planet’s angular velocity.

Agnew likened the dynamic to a figure skater spinning around on ice. He said, “If a skater starts spinning and lowers his arms or extends his legs, he will slow down.” However, if the skater’s arms are pulled inward, the skater will rotate faster.

So less solid ice at the poles means more mass around the equator, at the Earth’s waist.

“What melting ice does is take water that has solidified in places like Antarctica or Greenland, and when that frozen water melts, it moves that liquid to other parts of the planet. “Thomas Herring said. He was a professor of geophysics at the Massachusetts Institute of Technology but was not involved in the new research. “Water flows toward the equator.”

In other words, this study shows how human influence can successfully manipulate forces that have puzzled scholars, stargazers, and scientists for millennia: forces long thought to be constants beyond human control. It suggests that it has happened.

“It’s kind of impressive, even to me, that we were able to accomplish something that measurably changed the rotational speed of the Earth,” Agnew said. “Something unprecedented is happening.”

His research, published in the journal Nature, suggests that climate change is playing a significant enough role in the Earth’s rotation to delay the possibility of a “negative leap second.” If the polar ice hadn’t melted, clocks around the world might have needed to subtract one second by 2026 to synchronize universal time with the Earth’s rotation, which is influenced by a variety of factors.

Rather, the impact of climate change has delayed that outlook by an estimated three years. If timekeeping organizations ultimately decide to add negative leap seconds, the adjustment could disrupt computer networks.

A view of the Earth captured by a deep space climate observation satellite.NASA

The leap second adjustment is necessary because even without climate change, the Earth’s daily rotation tends to slow down over time, even though it appears constant.

Studies show that about 70 million years ago, days became even shorter, lasting about 23.5 hours. Implications of paleoceanography and paleoclimatology. This means that Cretaceous dinosaurs experienced 372 planetary days a year.

Several important factors influence a planet’s rotation, but they sometimes act in opposition.

Due in part to the moon’s gravitational pull, tidal friction in the oceans slows the Earth’s rotation. Meanwhile, since the last Ice Age, the Earth’s crust has been uplifting in some areas in response to the removal of ice sheet weight. This effect changes the distribution of mass, causing the planet to spin faster. Both of these processes are approximately constant and have predictable rates.

Yet another factor is the movement of fluids within Earth’s liquid inner core, a wild card that can either speed up or slow down Earth’s rotation, Agnew said.

Here, melted polar ice was added to the mix. As climate change intensifies, researchers expect melting ice to have an even more profound effect on the Earth’s rotation.

“As we predict, as melting accelerates over time, its contribution will become even larger,” Herring said. He added that the new study is a thorough and robust analysis that combines research from multiple scientific fields.

The need for timekeepers to adjust universal time to match the Earth’s rotation is not a new phenomenon. But historically, this involved adding leap seconds to the common standard for clocks. This is because astronomical time lags behind atomic time (measured by the vibrations of atoms in atomic clocks) due to the slowing of the Earth’s rotation.

But in recent decades, changes in the Earth’s core have caused the Earth to rotate faster than expected. This has led timekeepers, for the first time since Coordinated Universal Time was officially adopted in the 1960s, to consider whether it makes sense to subtract leap seconds to synchronize universal time with the Earth’s rotation. Ta.

The melting of polar ice counteracted that trend, avoiding any decision points regarding negative leap seconds. According to Agnew’s estimates, if the current rate of Earth’s rotation is maintained, it will likely be delayed by three years from 2026 to 2029.

Adding or subtracting leap seconds is troublesome because it can disrupt satellite, financial, and energy transmission systems that rely on very precise timing. For that purpose, Timekeepers around the world have voted to abolish leap seconds in 2022. By 2035, addition and subtraction will shift universal time from the pace of the Earth’s rotation.

“Since around 2000, there has been a movement to abolish leap seconds,” Agnew said.

Regardless of whether the clocks ultimately change, the idea that melting polar ice is affecting the Earth’s rotation speaks to how important an issue it has become. Studies have already shown that ice loss has significant impacts on coastal communities.

Scientists predict that sea level rise will accelerate as the climate warms, a process that will continue for hundreds of years. Last year, leading polar researchers warned in a report that parts of the major ice sheets could collapse and coastal regions should brace for several feet of sea level rise. If humans allowed global average temperatures to rise by 2 degrees Celsius, Earth could see sea levels rise by more than 40 feet.

Source: www.nbcnews.com

Press the Button: Exploring the Exciting Gameplay of Dragon’s Dogma 2 | Games

I love how games keep me so occupied that I think about them all day long while living my real life. This doesn’t happen a lot these days because I’ve played so many games over the past 30 years. It happens when a game does something I’ve never seen before. For example, last year’s The Legend of Zelda: Kingdom of Tears featured a reckless gimmick. Or sometimes it’s because of something I do, like Dragon’s Dogma 2, which I’m still playing after reviewing last week. We’ve seen it before, but not for very long.

In the 12 years between the original Dragon’s Dogma and this sequel, Elden Ring is the only game that has come close to recapturing that brand of fantasy action role-playing with its chaotic, stubborn idiosyncrasies. This is a game where you can ruin a quest by fooling around for too long before pursuing the next objective. On an otherwise empty journey through the countryside, a griffin can appear and run you over to death almost instantly. The multidimensional beings who act as your companions on your journey contract a mysterious disease that unleashes the apocalypse when you save the game. You only have one save slot, so every decision counts. If you make a mistake, you have to accept it.

While some players have had disappointing reactions to the game’s inflexibility, I respect Dragon’s Dogma 2’s willingness to ruin your day at times. It will not bend to your will. You need to work around the rules, even if you don’t necessarily know what they are at first. At first, you might be annoyed that characters often tell you about interesting legends and rumors, but the game also marks them on the map to show you where they are likely to be found. And over time, when you are left out in the wilderness at night, without camping gear, and try to take shelter in a cave which leads to a crumbling mountain shrine, you may find a real Sphinx there. You realized that even if someone had marked the location on your map, you would never have done that. You must have been in awe the first time you saw those glowing eyes in the dark.

Conventional wisdom in open-world games has long held that games are structured like to-do lists. A character with an icon above their head will appear, they will give you something to do, and the game will conveniently mark the location and start checking boxes before receiving the reward. The map is full of small icons that show you where to find things you might need to upgrade your equipment or further your objectives. In recent years, games like Zelda: Breath of the Wild and Elden Ring have ditched these conventions, making their worlds feel once again mystical, realistic, and dangerous, but not Dragon’s Dogma 2.

The appeal of Dragon’s Dogma 2 is that it is less susceptible to external influences. Dragon’s Dogma 2 feels like the development team has spent the last decade or more playing only their own games. It’s appealingly free from outside influences and doesn’t adopt any of the ideas that other games have become standard for since 2012. For example, you cannot use menus to fast-traverse the map, except in a few rare cases. If you want to go somewhere, you have to walk. For many years.

You follow that path and if you stray from it, you’re very likely to run into something that will kill you. But you’ll also have adventures like when I found a haunted castle full of skeletons. By the time you and your team reach your next town as the night draws on, exhausted and full of trinkets you picked up along the way, you’ll feel like you’ve actually accomplished something. One way to get around on foot is by riding an oxcart. This takes even more time than incredible walking, unless the character falls asleep and wakes up at the destination. Also, during your journey, you may be attacked by monsters, destroy your entire cart, and end up stranded in a strange land in the middle of the night. It’s like a cruel joke.

What all of this gives the player is what I would describe as a feeling of being fully awake. You can’t switch off your brain when playing games like this. With no minimap or quest markers to tell you where to go, you have to remember what people say, use your eyes to read your way, and find things in the distance. You must be ready to fight when called upon, and be ready to run for your life when cornered. I keep seeing things I’ve never seen before.

Games like this have periodically pulled me out of my funk over the decades, reminding me that they can still be exciting and unpredictable. Regular reader Iain wrote the question last week that was part of the impetus for this issue. “As a gamer in my late 70s, I’ve been playing games since 1985. I think I’ve reached a point where I’ve seen it all before. Are there truly innovative titles, or do they stick to the ongoing series (some of which reach double digits)?” Well, Ian, for me Dragon’s Dogma 2 is one of those games that restores my faith. It may be a sequel, but it hasn’t been this great yet.

Source: www.theguardian.com

Stunning New Images of Black Holes in Galactic Centers Unveiled

It has been close to two years since the world was first introduced to Sagittarius A* (Sgr A*), the supermassive black hole residing at the center of the Milky Way.

A true behemoth, Sgr A* boasts a mass equivalent to 4 million suns and is encircled by hot pockets of swirling gas. Despite its immense size, it sits about 27,000 light-years away from Earth, appearing in the sky only as large as a donut on the moon’s surface.

In a recent study published in the Astrophysics Journal Letter and released by the event horizon telescope (EHT), Sgr A* was captured in polarized light for the first time.

Similar to how sunglasses can filter polarized light from the sun, astronomers utilize polarized light to unveil concealed magnetic fields.

The lines within the image indicate the direction of polarization, which correlates with the structure of the magnetic field surrounding the black hole.

“The spiral pattern observed swirling around the black hole signifies that the magnetic field must also be swirling, indicating a very strong and ordered field,” stated Dr. Sarah Isaun, an Einstein Fellow and co-leader of the project in the NASA Hubble Fellowship Program, as quoted in BBC Science Focus.

A comparison between the supermassive black holes M87* and Sagittarius A*, depicted in polarized light, reveals similar magnetic field structures, suggesting a universal feature among supermassive black holes. – Image credit: EHT Collaboration

The first-ever image of a black hole was unveiled by EHT in 2019, featuring a much grander black hole at the core of the Messier 87 galaxy (M87*).

M87* is approximately 1,000 times heavier than Sgr A*, leading to a slower rotation making it easier to image.

Further developments include astronomers releasing images of the magnetic field encompassing M87* in 2021. Overcoming the challenge of capturing our own supermassive black hole in polarized light took an additional three years.


In a surprising revelation, despite the contrasting sizes of the two black holes, the new images demonstrate strikingly similar magnetic field structures, emphasizing the prevalence of strong magnetic fields in both. This highlights a fundamental feature of supermassive black holes.

Isaun emphasized, “Sgr A* now holds a polarization structure remarkably akin to the larger, more potent M87* black hole, supporting the significance of a robust, well-ordered magnetic field in these entities.”

A comparison of the sizes of two black holes imaged by the Event Horizon Telescope (EHT) collaboration: M87* at the core of the galaxy Messier 87 and Sagittarius A* (Sgr A*) at the center of the Milky Way. – Image credit: EHT Collaboration (Acknowledgment: Lia Medeiros, xkcd)

Previous investigations on M87* disclosed that the encircling magnetic field generates potent jets of energy and matter extending far beyond the galaxy. While astronomers have visualized the jet around M87*, it has remained elusive around Sgr A*. However, recent images unveil remarkable similarities between the two black holes, suggesting the potential existence of jets in both.

Isaun highlighted, “The jets within the host galaxy can stimulate or counteract star formation, exhibiting a fascinating interplay between the dynamics of these emanating jets from these black holes and the evolvement of the host galaxy. There exists a connection.”

“I believe we can extract valuable insights into our galaxy’s history from this connection.”

Upon the release of this image in 2022 by the EHT collaboration, it served as the premier visual evidence of a supermassive black hole residing at the heart of our galaxy, Sagittarius A*. – Image credit: EHT Collaboration

The upgraded EHT is set to observe Sgr A* once more next month, with astronomers hopeful of uncovering concealed jets and other facets of the galaxy’s central region.

Anticipate further groundbreaking revelations from EHT, potentially including more awe-inspiring images and even real-time video footage in years to come.

About our experts

Sarah Isaun is an observational astronomer and member of the Event Horizon Telescope (EHT) collaboration. Her research focuses on aggregating, calibrating, and visualizing millimeter-wave radio observations of supermassive black holes. She led a project to produce new images of Sagittarius A* in polarized light.

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Source: www.sciencefocus.com

Atari 400 Mini Review: Exploring the 8-Bit World – A Fascinating Adventure | Games

TFor a kid growing up in Britain in the 1980s, the Atari 400 and 800 machines seemed incredibly appealing. Most of my friends had a Commodore 64 or ZX Spectrum (occasionally he also used an Amstrad or Acorn Electron), but I only saw Atari computers in cool TV shows and movies like Videodrome and Police Story. That never happened. These two models, released in 1979, featured an Antic video processor that provided excellent graphics for the time, and a sound chip named Pokey to improve audio. These, like the Apple II, were seminal machines for young game programmers looking to create new types of experiences beyond simple arcade conversions.

Opening up the new Atari 400 Mini was a strangely emotional experience. The latest nostalgic release from Retro Games is an exquisitely detailed recreation of the original computer, featuring a non-functional version of the famous membrane keyboard in luscious 1970s beige, orange, and brown. It has 4 joystick ports (currently rather USB) (from the original Atari joystick port standard). The console comes with a new version of the classic Atari CX40 joystick, with the subtle addition of eight buttons that can now summon the keyboard to provide additional input options in Atari 400/800 games. Masu.

It includes 25 games that show the range of what was being produced on the 400 and 800 (the 800 was a higher-end model with more memory and a better keyboard) in the early 1980s. There are quaint home versions of classic arcade titles like “Asteroids,” “Millipede,” and “Battlezone,” which are, after all, what home console and computer developers had to do at the time. It’s a fascinating reminder of the compromises that weren’t made. And there are many more to come, including Capture the Flag, Paul Allen Edelstein’s two-player first-person tracking game, and his MULE, a multiplayer colonial strategy game that influenced the entire management simulation industry. You can get a glimpse of the genre.

There’s also some interesting experimentation in creating fast-paced 3D visuals in the form of futuristic racing sims Elektra Glide and Encounter. Written by Paul Woakes, who later went on to create one of his most fascinating 3D sci-fi adventure titles of this era, Mercenary.

Some games will be familiar to anyone who bought a C64 Mini or other retro machine, but the Atari 400 version was often the first to be released, so you get the primary source material here. Well almost. Although there is no original hardware used, the emulators that Retro Games employs to run all these games are robust and accurate, allowing them to recreate these 40-year-old gems very well.




400 Mini Millipede. Photo: Atari/Retro Game/Prion

And while they’re definitely older, many of these titles, including Boulder Dash and Lee (originally titled by Bruce Lee, whose license has probably expired), remain as truly playable relics. Saved. Either way, I’ve had many hours of fun discovering games I’ve never seen before, as well as familiar favorites in various guises. Additionally, in typical mini-console style, there is a rewind feature to fix mistakes, and the game can be saved to memory. You can also fine-tune your visual settings and choose CRT effects that mimic the display style of a traditional TV. A virtual keyboard is also available if you want to play games that require more input options. It’s not always easy to use, but it’s nice to be able to use it when necessary.

Interestingly, one of the 400 Mini’s selling points is its ability to “load your own programs.” This is a euphemism in the instruction manual for the console to play game files known as ROMs, which can be loaded via a USB stick. Most people will find these ROMs on the internet, but the legality of freely downloading game files is murky to say the least. So Retro Games leaves it up to you to figure this out. I ran a few games to test this aspect and it was a surprisingly smooth process. The emulator accepts files in many popular formats and plays both Atari 400 and 800 titles, as well as his later XL/XE variations. When you insert a USB stick with game ROMs, you’ll see a thumb drive icon in the games list on the screen, and clicking on it will show the games you’ve added. The system also supports games that originally appeared on multiple discs. Additionally, you can reconfigure the joystick buttons to suit the input requirements of most games you’re trying out.

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Lee (formerly Bruce Lee) riding a 400 Mini. Photo: Atari/Retro Game/Prion

At £100, the 400 Mini isn’t cheap, and the game is a great choice for new players who prefer their Mega Drive or PC Engine Mini machines with their attractive 16-bit visuals and familiar series. It may not be appealing. But as an accessible museum piece, it’s a fascinating and well-made device that reveals games you’ve never played in its original form, as well as an entirely fresh retro experience. This industry has always failed to protect its heritage and history. Official archives are often exposed and inaccessible. The Mini Console is a small attempt to address this issue in an intuitive and well-chosen format.

I’m a long way from that kid growing up in the 1980s now, but finally playing these Atari 400 gems reminded me of him and what he was fascinated by. That in itself gives value to this little machine.

Atari 400 Mini is available now

Source: www.theguardian.com

Revealing the Magnetic Field Swirling Around Our Galaxy’s Black Hole through a New Perspective

Black hole Sagittarius A* seen in polarized light

European Southern Observatory (ESO)

This is a supermassive black hole at the center of a galaxy that we have never seen before. The image reveals a swirling magnetic field around Sagittarius A* (Sgr A*), suggesting it may be producing jets of high-energy material that astronomers have not yet seen.

This photo was taken by a network of observatories around the world operating as a single giant telescope called the Event Horizon Telescope (EHT). In 2022, the first images of Sgr A* were produced, revealing light emanating from swirling hot plasma set against the dark background of a black hole's event horizon. There, light cannot escape the extreme gravity.

Now, EHT researchers Jiri Yunshi The researchers from University College London measured how this light is polarized, or the direction of the electromagnetic field, and showed the direction and strength of the magnetic field around Sgr A*.

This image is very similar to the magnetic field of M87*, the first black hole studied by EHT. Given that M87* is about 1,500 times more massive than Sgr A*, this suggests that supermassive black holes may have similar structures regardless of their size, Yunshi says.

The two black holes photographed by the Event Horizon Telescope are strikingly similar.

European Southern Observatory (ESO)

One major difference between M87* and the black holes in our galaxy is the absence of visible high-energy jets visible from Sgr A*. This lack has long puzzled astronomers, but the fact that Sgr A* has a magnetic field like M87* suggests that our galaxy's black hole may also have jets. It suggests.

“There are very interesting hints that there may be additional structures,” Yunshi says. “I think something very exciting could be happening at the center of the galaxy, and we need to track these results.”

This makes sense given other evidence for jets that may have existed long before the galaxy's history, such as Fermi bubbles, large balls of X-ray-producing plasma above and below the Milky Way. Masu.

In addition to revealing potential hidden jets, the properties of magnetic fields also solve other astrophysical mysteries, such as how particles like cosmic rays and neutrinos are accelerated to ultrahigh energies. This could help solve the problem, Yunshi said. “Magnetic fields are the basis of all of this. Anything that yields further insight into how black holes and magnetic fields interact is of just fundamental importance to astrophysics.”

Yunshi and his colleagues hope to use a larger telescope network and more advanced equipment to take more images of Sgr A*, which will help them understand the nature of the magnetic field and how it directs the jet. This will deepen your understanding of what is being generated. EHT plans to begin these observations in April, but processing the data could take several years.

References: Astrophysics Journal LetterDoi: 10.3847/2041-8213/ad2df0 &DOI: 10.3847/2041-8213/ad2df1

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Source: www.newscientist.com

FTX: Investigating the disappearance of funds

SAm Bankman Fried, the former CEO of bankrupt cryptocurrency exchange FTX, oversaw a dramatic collapse that led to losses of billions of dollars for customers. In a court filing, he claims that all debts owed by FTX will be fully repaid. However, the US government views his statements as disconnected from reality.

Last week, FTX administrator John Ray III, appointed to manage the bankruptcy proceedings, accused Bankman Fried of orchestrating a massive fraud and living in a state of delusion. Ray dismissed the claims made by Bankman Fried’s lawyer that no one suffered harm as “categorically, callously, and patently false.”


Banker Mann Fried faces sentencing tomorrow after being convicted of fraud and money laundering conspiracy in the collapse of his cryptocurrency exchange. His potential 100-year prison sentence contrasts with a requested six-year term from his lawyer. The US government seeks a 40 to 50-year sentence for the 32-year-old former CEO who defrauded customers of $8 billion.

The Justice Department asserts that Bankman-Fried’s attempts to downplay his crimes and seek a lighter sentence reveal a dangerous potential for future fraud. The disputed bankruptcy proceedings for FTX may continue long after his release.

FTX: New technology, old embezzlement

This crypto entrepreneur created a façade of philanthropy by using client funds for personal luxuries, influencing political figures, and promoting the pseudo-altruistic philosophy of effective altruism. Recent testimonies have labeled FTX’s collapse as traditional embezzlement.

During the trial, evidence showed that $11.3 billion meant for customers was only $2.3 billion, with the rest diverted to investments, political contributions, and real estate, with little financial record-keeping. Wray likened the situation to a severe disaster caused by Bankman Fried’s deception.

Source: www.theguardian.com

50 Hilarious Science Jokes to Brighten Your Day in 2024

Whether you’re a child, student, teacher, or just a proud nerd, we all love a good science joke. Even the most cheesy and silly puns. That’s why we’ve curated a collection of the cheesiest (and most groan-worthy) short one-liners for kids and adults in 2024.

We brainstormed and selected 50 of our top picks. By the time you reach the end of this list, you’ll have had enough sulfur…

50 Best Science Jokes of 2024

  1. What do you call subpar hydrocarbons? Crude oil
  2. Never talk to Pi. They’ll go on forever
  3. Why were chemists let go? Because they didn’t handle pressure well.
  4. Oxygen and potassium went on a date. It was a good match
  5. A neutron walks into a bar and asks the bartender, “How much is a beer?” Bartender: “It’s free.”
  6. Why don’t ants get sick? Because they have ant bodies
  7. Ever heard of physicists chilling to absolute zero? They’re now at 0k
  8. The earth’s rotation really makes my day
  9. Don’t trust atoms, they make up everything
  10. Have you been to the Mercury restaurant? Great lighting but zero atmosphere
  11. The chemical thief couldn’t be caught. They were planning to do Lin.
  12. How often should you share chemistry jokes? Periodically
  13. Albert Einstein had a theory about the universe. And the time is now
  14. I think it lost an electron. Actually, I’m positive too.
  15. Why did biologists break up with physicists? They lacked chemistry
  16. A plant asks another plant, “Are you hungry?” They respond, “I’m up for a light meal.”
  17. Chemists are happy in the lab because they’re in their element
  18. We were studying frequency in physics class, but now we know the brain’s hertz is
  19. Why did scientists remove the doorbell? To win the Nobel Prize
  20. What is Iron’s favorite vehicle? Iron Wheel
  21. Why did the bacteria pass through the microscope? To move to another slide
  22. I was reading a book about helium and couldn’t put it down.
  23. There are 10 types of people: those who understand binary and those who don’t.
  24. Photon went on vacation, but he didn’t have any luggage. He was a light traveler
  25. What do you call it when two diamonds go out to dinner? Carbon dating
  26. Does a radioactive cat have a half-life of 18 years?
  27. The quantum physicist walked into a bar but didn’t leave.
  28. How do you throw a party in space? You planet
  29. Why are chemists great problem solvers? They have a solution
  30. What sound does a subatomic duck make? Quark Quark Quark
  31. Two blood cells met and fell in love. It all made sense
  32. If the king could make wind, would it be a noble gas?
  33. Scientist studying the sun are probably star-struck
  34. No matter how widespread antibiotics become, viruses will never spread.
  35. I’m not lazy – I’m just full of potential energy
  36. Ever heard of a nuclear enthusiast? He was the true proton
  37. Why do tigers have stripes? So they’re not spotted
  38. Why did 2 of 4 skip lunch? They’re already 8
  39. Astronomers wondered all night where the sun went. Then it dawned on them
  40. What did one charged atom say to the other? We got an ion.
  41. Chemistry is like cooking. But never lick the spoon
  42. Why don’t geologists like scary movies? They’re petrified
  43. What’s the hardest book to read? Friction Book
  44. What is a scientist’s favorite dog? Laboratory
  45. What do solids, liquids, and gases have in common? They’re all matter
  46. When I heard Oxygen and magnesium were dating, I was like, oh, magnesium.
  47. What’s the difference between a dog and a marine biologist? One wags its tail, the other tags whales
  48. How do scientists freshen their breath? With experiment mint
  49. Where do astronauts park their spacecraft? In a meteor shower
  50. Why are there so many bad chemistry jokes? Argon, they’re all good

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Source: www.sciencefocus.com

Introducing Galaxy Squad: Key Laptop Trends for 2024 including Dynamic Displays and AI Optimization

The promise of remote work in today’s world is enticing – being able to work from anywhere, whether it’s a coffee shop in Manhattan or a beach in Bali, thanks to the power of your laptop. But in reality, our laptops may be outdated, slow, and incapable of keeping up with the demands of modern technology. Now is the perfect time to consider upgrading to the new Samsung Galaxy Book4 series, built to meet the challenges of 2024.

Whether you’re crunching numbers, editing videos, or unwinding with games, the evolving trends in laptop technology are worth noting.

Thinner, faster, quieter – Today’s laptops are impressively thin yet powerful, with the Samsung Galaxy Book4 Pro and Ultra series leading the way with slim profiles and robust performance, including dedicated graphics cards for gaming on the go.

Incredible screen – The Galaxy Book4 Pro and Ultra models boast cutting-edge 16-inch dynamic AMOLED 2X touchscreens that offer vibrant colors, crisp visuals, and adaptive display technology to optimize viewing in any environment.

Flexible form – Modern laptops like the Galaxy Book4 360 series offer convertible designs that allow for seamless transitions from laptop to tablet mode, complete with touch-enabled screens and stylus support for note-taking and sketching.

AI revolution – Intel Core Ultra processors powering the Galaxy Book4 series feature dedicated neural processing units for handling AI workloads efficiently, enabling users to leverage AI-driven features like Microsoft’s Copilot for enhanced productivity.

All about the ecosystem – Today’s laptops are part of a larger digital ecosystem, with seamless integration between devices like the Galaxy Book4 series and Samsung Galaxy smartphones, offering mobile connectivity, data sharing, and enhanced productivity tools for users on the go.

Ready to embark on your digital nomad journey with the Samsung Galaxy Book4 series? samsung.com/uk/galaxy-book

© Intel Corporation. Intel, the Intel logo, and other Intel marks are trademarks of Intel Corporation or its subsidiaries. Other names and brands may be claimed as the property of others.

AI Features may require the purchase, subscription, or activation of additional software by the software or platform provider and may have specific configuration or compatibility requirements. intel.com/performance index. Your results may vary.

1 Adobe subscription required.
2 Requires a Galaxy smartphone with One UI 1.0 or later.
3 A Microsoft account is required.
4 A Samsung account is required.
Features available 5 March.

Source: www.theguardian.com

The Future of Housekeeping: Breakthrough Technology in Smart Vacuum Cleaners That Could Revolutionize Cleaning Tasks

Modern conveniences like smart refrigerators, virtual assistants, security systems, and robot vacuums have made household chores easier since the invention of the washing machine in the 19th century.

Innovative products like the EZVIZ RE4 Plus robot vacuum and mop combo can help eliminate mundane daily tasks. Users can conveniently schedule cleaning routines, saving time and effort with just a few taps on the app.

Discover more about the cutting-edge technology behind robot vacuums and how they can streamline your daily life.

Smart technology for the home

Navigation

LiDAR (light detection and ranging) technology, originally developed in the 1960s for mapping and surveillance purposes, has evolved into a crucial component of autonomous vehicles and even some smartphones. LiDAR’s ability to create detailed spatial data is shaping the future of robotics technology.

The state-of-the-art EZVIZ RE4 Plus incorporates LDS LiDAR technology, enabling 360-degree scanning and mapping of your home’s layout with the capability to store multiple floor plans.

Smart Thinking

Premium robot vacuums like the EZVIZ RE4 Plus utilize advanced features to navigate and clean effectively based on environment data and user instructions.

App Remote Control and Map Customization

Through IoT connectivity, users can remotely schedule cleaning tasks and customize maps to suit their cleaning preferences. Smart robot vacuums like the EZVIZ RE4 Plus can adapt to different cleaning needs and scenarios.

Obstacle Avoidance and Fall Detection Technology

Premium robot vacuums are equipped with infrared obstacle avoidance sensors and fall detection technology to enhance safety and efficiency during cleaning.

Auto-Empty Feature

The EZVIZ RE4 Plus comes with an auto-empty base that disposes of dust and debris, reducing the need for frequent emptying. The dust bag typically requires emptying every 90 days for regular household use.

Why You Need a Robot Vacuum Cleaner

Modern smart devices like robot vacuums offer effortless, time-saving solutions for household cleaning tasks, making daily life more convenient and efficient for busy individuals and families.

Discover how the EZVIZ RE4 Plus robot vacuum can revolutionize your cleaning routine.

  • Effortless cleaning: compact, efficient, and obedient
  • Save time and effort: easy app control for quick cleaning
  • Convenience: automated cleaning even when you’re away
  • Flexibility: customizable cleaning schedules to fit your needs
  • Allergy-friendly: minimal bag changes every 3 months
  • Sustainability: reduce waste and costs with reusable materials

Read more at ezviz.

Source: www.sciencefocus.com

The increasing danger of unexploded World War II ordnance

The danger of aging explosives from unexploded ordnance is increasing

Gail P. Novik (2024)

A study of unexploded ordnance from World War II found that one of the explosives it contained had become shock-sensitive and could ignite if dropped during disposal. The explosive, called Amatol, was widely used during World War I and World War II and is still included in some of the ammunition used during Russia's war in Ukraine.

“Based on our findings, we can say it's relatively safe to handle, but you can't treat it like TNT,” he says. Gail Petter Novik At the Norwegian Defense Research Establishment. “In contrast to TNT, it can definitely explode if dropped.”

There are millions of tons of unexploded ordnance around the world, some in old ammunition dumps and some in shells and bombs that did not explode after being fired or dropped. Novick said there is a widespread misconception that unexploded ordnance becomes less dangerous over time. In a 2022 study, he examined samples of TNT and PETN, two of the most widely used high explosives, taken from World War II bombs and shells. test and There was no deterioration in explosive properties..

He has now tested the impact sensitivity of five samples of Amatol taken from unexploded World War II bombs and artillery shells found in Norway. The test involved dropping weights from various heights on small samples to see what would explode. All five samples were more sensitive to shock than expected with Amatol, and one sample was four times more sensitive.

Novick says this discovery will change the way he and his team deal with unexploded ordnance. For example, when clearing a dump, fewer volumes are transported at once. He now plans to find out why shock sensitivity has increased. “We think sensitive crystals or salts may have formed,” he says.

This may be the result of contaminants from the manufacturing process, or reactions with the metal case as the lining deteriorates, or simply due to aging.

Amatol is the name used to describe an explosive made from a mixture of TNT and ammonium nitrate. It was developed by Britain's Royal Arsenal in 1915 when TNT was in short supply. As TNT production increased at the end of World War II, many countries stopped using Amatol, although it continued to be used in countries such as the Soviet Union. “Several types of Soviet-era ammunition currently in use in Ukraine are known to contain Amatol,” Novik said.

It's impossible to say what percentage of the world's unexploded ordnance contains amatol, he says. But five of the 20 bombs and shells he cut open for this study contained the substance, and so did most of the World War II unexploded ordnance he examined. has been found.

Accidents in which unexploded ordnance explodes also occur frequently.For example, in 2023, World War II bombs Explosion at Great Yarmouth Currently being disposed of in the UK. In 2004, new scientist A US ship that sank in the Thames Estuary was carrying 1,400 tonnes of high explosives and posed a serious threat to nearby towns, an unpublished risk assessment has revealed. A 2023 survey of the ship found plans to remove the mast could be dangerous and were postponed.

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Source: www.newscientist.com

Lack of sleep can age you prematurely

Prioritizing sleep can help you feel younger

Uwe Krejci/Getty Images

Being sleep deprived can make you feel several years older than you actually are.

how old someone feels, or subjective age; associated with a variety of physical and mental health outcomesespecially depression. “Age is more than just a perception,” he says Leonie Balter At Karolinska Institutet, Sweden. “We know that people who feel younger than their actual age are healthier and live longer.”

Considering the importance of sleep to our mental and physical health, Balter and John AxelsonAt Karolinska Institutet, we also decided to investigate whether it affects our subjective age.

They surveyed 429 people between the ages of 18 and 70 about how old they felt and how much sleep they had gotten in the past 30 days.

The researchers found that reporting sleep deprivation was associated with participants feeling older than their actual age, with consecutive days of sleep deprivation making participants feel older by an average of 0.23 years. was found to increase. In contrast, those who reported getting enough sleep over a 30-day period were, on average, 5.81 years younger than their chronological age.

In the second half of the study, the pair recruited an additional 186 people. These participants were asked to aim for 9 hours of sleep over two consecutive nights over a two-week period, which was recorded via a sleep log and sleep tracking wrist device. They were then told to limit their sleep to four hours for two consecutive nights.

After this period of sleep restriction, subjects reported feeling on average 4.44 years older than their age, whereas under the 9-hour sleep condition they reported feeling 0.24 years younger. Compared to those who felt the least fatigued, those who felt the most fatigue reported feeling about 10 years older.

The findings show that sleep is an important indicator of how old some people feel, and that it is linked to our health, Balter says. “If you protect your sleep, you'll feel younger,” she says.

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Source: www.newscientist.com

Physicists at CERN witness the creation of two tau leptons from two photons during a proton-proton collision

According to physicists, CMS cooperation This is the first time this process has been observed in proton-proton collisions at CERN's Large Hadron Collider (LHC). This is also the most accurate measurement of tau's anomalous magnetic moment and provides a new way to constrain the existence of new physics.

We reproduced candidate events of the γγ →ττ process in proton-proton collisions measured by the CMS detector. Tau can decay into muons (red), charged pions (yellow), and neutrinos (not visible). Energy is stored in green in an electromagnetic calorimeter and cyan in a hadronic calorimeter. Image credit: CMS Collaboration.

of TauIt is a special particle of the lepton family, also called tauon.

In general, leptons, together with quarks, constitute the matter content of the Standard Model.

Tau was first discovered in the 1970s, and its associated neutrino (tau neutrino) was discovered by Fermilab's DONUT collaboration in 2000 to complete the tangible matter part.

However, tau has a very short lifetime and can remain stable for only 290*10 hours, making it quite difficult to study it accurately.-15 seconds.

Two other charged leptons, electrons and muons, are fairly well studied.

Much is also known about their magnetic moments and their associated anomalous magnetic moments.

The former can be understood as the strength and direction of a virtual bar magnet within the particle.

However, this measurable quantity requires correction at the quantum level resulting from the virtual particles pulling on the magnetic moment and deviates from the predicted value.

The quantum correction, called the anomalous magnetic moment, is about 0.1%.

If the theoretical and experimental results do not agree, this anomalous magnetic momentIopens the door to physics beyond the Standard Model.

The anomalous magnetic moment of the electron is one of the most accurately known quantities in particle physics and is in perfect agreement with models.

Its muon counterpart, on the other hand, is one of the most studied, and research is ongoing.

So far, theory and experiment are largely in agreement, but recent results raise tensions that require further investigation.

But for Tau, the race is still on. Its anomalous magnetic moment is particularly difficult to measure.τThis is because tau has a short lifespan.

The first attempt wasτ After the discovery of tau, there was an uncertainty 30 times higher than the size of the quantum correction.

Experimental efforts at CERN improved the constraints and reduced the uncertainty to 20 times the size of the quantum correction.

In collisions, physicists look for special processes. That is, two photons interact to produce two tau leptons (also called a ditau pair), which then decay into muons, electrons, or charged pions, and neutrinos.

So far, both ATLAS and CMS collaborations have observed this in ultraperipheral lead-to-lead collisions.

Now, CMS physicists report: first observation The same process occurs during proton-proton collisions.

These collisions provide greater sensitivity to physics over the standard model, as new physical effects increase with collision energy.

Taking advantage of the superior tracking capabilities of the CMS detector, the collaboration will isolate this particular process from other processes by selecting events that produce a tau with no other tracking within a distance of just 1 mm. I was able to separate it.

“This remarkable achievement in detecting proton-proton collisions in the super-periphery sets the stage for many breakthrough measurements of this kind from CMS experiments,” said Dr. Michael Pitt, a member of the CMS team. said.

This new method provided a new way to constrain tau's anomalous magnetic moments, and the CMS Collaboration quickly put it to the test.

Future driving data will likely improve the significance, but their new measurements impose the tightest constraints to date, with greater precision than ever before.

This reduces the prediction uncertainty to just three times the size of the quantum correction.

“We're really excited to finally be able to narrow down some of the fundamental properties of the elusive tau lepton,” said CMS team member Dr. Isaac Neutelings.

“This analysis introduces a new approach to investigating tau g-2 and revitalizes a measurement that has been stagnant for more than 20 years,” said CMS team member Dr. Xuelong Qin.

Source: www.sci.news

Arkansas Unearths Fossil of Devonian Era Shark

A team of paleontologists from California State Polytechnic University and others has described a new genus and species of shark-like fish from the Fayetteville Shale in late Mississippi, Arkansas.

Reconstruction by artist Cosmoserax meringii. Image credit: American Museum of Natural History.

The newly described species lived in the Devonian seas, about 326 million years ago.

named Cosmoserax meringii This is one of many well-preserved shark fossils discovered from oil-producing seas. fayetteville shale formation Stretching from southeastern Oklahoma to northwestern Arkansas, it has been studied for many years for its well-preserved invertebrate and plant fossils.

“These creatures are part of an ecosystem that recovered after the mass extinction of fish communities at the end of the Devonian period, so they're part of the cartilaginous fish family, which includes all sorts of strange anatomy not seen in modern sharks. We're at a point where the morphological diversity of the species is astonishing,” said Dr. Alison Bronson, a researcher at California State Polytechnic Institute.

fossil of Cosmoserax meringii It was collected by Professors Royal and Gene Mapes of Ohio University in the 1970s.

Dr. Bronson and his colleagues performed a CT scan of the specimen and digitally reconstructed it.

They spent months studying to describe its anatomy, which includes dozens of tiny pieces of cartilage.

Once the reconstruction is complete, they Cosmoserax meringii In the early cartilaginous fish tree of life.

Cosmoserax meringii It was photographed in the 1970s and positioned so that the throat, jaw, and underside of the pectoral fins are visible. Image credit: Royal Mapes.

The authors found that this new species plays an important role in understanding the evolution of a mysterious group called green sea turtles. Shinmori form.

“This group has been alternately associated with sharks and mousefish, and different researchers have reached different conclusions,” they said.

Cosmoserax meringii Most have shark-like features, but with long pieces of cartilage forming gill operculae, which are only seen today in ratfish.”

of study It was published in the magazine geodiversity.

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AW Bronson other. 2024. A new gilllike simoliform chondrich from the Late Mississippian Fayetteville Shale (Arkansas, USA). geodiversity 46 (4): 101-117; doi: 10.5252/geodiversitas2024v46a4

Source: www.sci.news

Creating a Pinhole Solar Eclipse Viewer and Box Solar Eclipse Viewer

To safely observe a solar eclipse, you’ll need some basic equipment

Liansen / Imago / Alamy

If you’re planning on observing the solar eclipse on April 8 this year, whether you’re in the middle of the total solar eclipse or not, you’ll need some gear to fully enjoy it.

The most important rule during a solar eclipse is not to look directly at the sun. This is only possible during totality, a few minutes when the sun’s light is completely blocked by the moon. But for everyone in North America who lives outside the 185-kilometer-wide total orbit, only a partial eclipse will be visible. And for those on the inside of the road, there are still a few hours on either side of totality, but part of the fun is watching the moon slowly move across the sun.

You can use special solar filters, such as eclipse glasses, to look directly at the sun. But you can also view the eclipse using a simple viewer made from a few things you probably have on hand. Here we will introduce how to create two types of Eclipse viewers.

How to make a pinhole camera

All you need for this viewer is paper, aluminum foil, scissors, and a pen. Make a hole in the middle of a piece of paper and cover with foil. Stick the foil in place and use a pen, needle, or other sharp object to make a small hole in the center of the foil. On the day of a solar eclipse, simply hold this up to the sun and place another piece of paper on the ground below. A small bright dot appears on the second sheet of paper. This is a solar projection. As the eclipse progresses and the moon covers more of the sun, you’ll see the shape of the dot change.

How to make a box eclipse viewer

The second type of eclipse viewer works similarly, but the projection is displayed inside a box instead of on the ground. For this, you will need paper, foil, scissors, and a cardboard box. Cereal boxes or shoe boxes work well.

Line one side of the inside of the box with white paper. Then, drill two holes, spaced apart on opposite sides. Tape the foil to one hole and make a small hole in it. The other hole will be a place to look inside.

On the day of the solar eclipse, hold the viewer in front of you with your back to the sun. A projection of the sun should appear on the white paper lined inside the box.

solar eclipse 2024

On April 8th, a total solar eclipse will pass over Mexico, the United States, and Canada. Our special series covers everything you need to know, from how and when to see a solar eclipse to the strangest solar eclipse experience of all time.

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Source: www.newscientist.com

Important facts about bird flu found in U.S. dairy cows

dairy farm cows

GH Photo/Alamy

Dairy cows in several US states have reportedly contracted bird flu. United States Department of Agriculture (USDA). The virus has killed millions of birds around the world, but this is the first time it has been detected in cattle.

How many cows are affected by avian influenza?

As of March 25, milk samples from two dairy farms in Kansas and one in Texas tested positive for the avian influenza subtype called H5N1. new york times. This strain is highly lethal to birds. A cow throat swab taken from a dairy farm in Texas also tested positive. So far, no cows have died from the virus.

On March 22, U.S. authorities announced a diagnosis of avian influenza in bovines after some dairy cows at farms in Texas, Kansas, and New Mexico became ill and there were reports of dead wild birds on farm grounds. The inspection has started.

About 10% of the milking cows on the affected farms appear to be sick, most of them elderly. It is unclear whether avian influenza is the cause of all animal illness. U.S. authorities are moving quickly to conduct additional testing.

How did the cow become infected with the virus?

The Department of Agriculture announced that the cows appear to have contracted the virus from infected wild birds. However, it is unclear exactly how the virus was transmitted between species.

Most mammals that contract bird flu are carnivores, such as foxes and seals, who most likely contracted the virus by eating dead or infected birds.Because cows don’t eat birds, it’s difficult to explain the source of infection. Richard Webby at St. Jude Children’s Research Hospital in Tennessee. Feces and saliva from wild birds may have contaminated the cows’ water and feed.

“The biggest question that I don’t fully understand is how do you account for transmission across the state with such geographic spread,” Webby said.

The worst-case scenario is that the virus spreads among cattle, but that’s probably unlikely, he said. This is because there is still no evidence that avian influenza can be transmitted between mammals.

Do sick cows increase the risk of avian influenza spreading to humans?

The risk of contracting bird flu remains low for most people. Initial testing of samples taken from infected cows has found no genetic changes that would suggest the virus is more transmissible to humans.

But each time a mammal gets avian influenza, Webby says, it gives the virus a chance to acquire the mutations it needs to spread between mammals. “But to put this into perspective, we still need some answers. Above all, how many cows are showing evidence of being infected with the virus?” If there are very few, the virus is likely to become a dead end again, as it did in foxes, bears, and other previously infected animals.

Is milk safe to drink?

Yes, milk is still safe to drink. The USDA already requires dairy farms to send only milk from healthy cows for processing. Milk from infected cows is also being discarded and kept out of the food supply.

Even if contaminated milk enters the supply chain, pasteurization kills bacteria and viruses, including influenza.

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Source: www.newscientist.com

Physicists are delving into quantum gravity using the concept of gravitational rainbows

The fans roar to life, pumping air upwards at 260 kilometers per hour. Wearing a baggy blue jumpsuit, red helmet, and plastic goggles, claudia de rum When you step into the glass room… Whoosh! Suddenly, she was suspended in the air, her wide grin on her face excited by her simulated experience of free fall.

I persuaded de Lamme, a theoretical physicist at Imperial College London, to go indoor skydiving with me at iFLY London. It seemed appropriate, given that much of her life has been dedicated to exploring the limits and true nature of gravity. At least on this occasion, jumping out of the plane wasn't an option for her.

As she explains in her new book, the beauty of falling, de Rum trained to be a pilot and then an astronaut, but medical problems ruined his chance for the ultimate escape from gravity. But as a theorist, she continued to delve deeper into this most familiar and mysterious force, making her mark by asking her fundamental question: “What is the weight of gravity?” Ta.

That means she is a graviton, a hypothetical particle that is thought to carry this force. If it had mass, as de Rum suspects, that would open a new window on gravity. Among other things, we may finally discover a “gravitational rainbow” that betrays the existence of gravitons. Along with gravitons, it will also become possible to provide a quantum description of gravity, which has been sought for many years.

When De Rum is suspended in the air, she makes it look easy. She will ascend soon…

Source: www.newscientist.com

AI that predicts flavor preferences can advise brewers on improving beer taste

Beer brewers produce a wide variety of flavors from just a handful of ingredients

Cthredrig/Getty Images

Artificial intelligence that can predict taste from beer's chemical composition could help create alcohol-free versions that taste exactly like regular beer.

Predicting flavor from a compound is difficult because complex interactions between ingredients and the psychology of taste can result in surprisingly different perceptions, even among people who have tasted the same thing.

To deal with this, kevin verstrapen Professors at the University of Leuven in Belgium have developed an AI model that can predict the flavor profile of beer based on its chemical composition and suggest ways to improve the flavor.

The model was trained on beer reviews by a panel of 16 expert tasters who scored each beer on 50 attributes, as well as 180,000 public ratings from online beer rating websites. The study compared these subjective descriptions with measurements of 226 compounds in 250 Belgian beers.

“Hundreds of these compounds are received by our nose and mouth, but mostly in the nose, and then processed in the brain to give us what we think of as flavor,” Verstrepen says. “The fact that we can actually predict this accurately using machine learning is pretty amazing.”

Verstrepen and his team used this model to predict how to improve the flavor of beer by adding mixtures of specific compounds, such as lactic acid and ethyl acetate. The resulting beer was given significantly higher ratings by a panel of trained tasters.

In another study, which has not yet been published, after making the changes suggested by the model, non-alcoholic beer became indistinguishable from regular beer, Verstrepen said.

The idea is that brewers should aim to implement AI recommendations by tweaking recipes, rather than simply adding flavors, he says. “Simply adding pure aroma compounds is not really acceptable in beer brewing. All you need is malt, hops, water, and yeast.”

“So I look at it as a tool, specifically to be used to make better non-alcoholic beer, but not to take away the art of crafting good beer in an artisanal way,” Versträpen said. To tell.

topic:

  • chemistry /
  • Eating and drinking

Source: www.newscientist.com

Romantic Inscription Found on Ancient Silver Thimble in Wales

A post-medieval silver thimble was discovered by Robert Edwards while metal detecting in Pembrokeshire, a county in south-west Wales.



An ancient silver thimble discovered in the Carew community in Pembrokeshire, Wales.Image credit: Amgueddfa Cymru – Museum of Wales

“I was searching behind an oak tree and had no success until I changed the program and found a very clear signal,” Edwards said.

“At first I thought it was a sixpence, but to my surprise it was not a coin, but a silver piece!”

“When I later saw a similar waffle pattern on another thimble, I knew I had found something special.”

“To be honest, my cousin who is also my detection partner was a little jealous!”

“I like to think about who used it,” he added.

“Was it used in the castle we saw on the way?” Did someone get into trouble by losing it? I'm so happy to be able to share it with you all. ”

According to experts, Amgefa Cymru – Museum of Walesthe ancient thimble is tall and narrow, but heavy.

This artifact is a two-piece construction with a rounded top soldered to the main body.

Six horizontal bands are placed in a zigzag pattern around the body and overlaid on an incised brick or basket weave pattern.

“'' is engraved at the base of the band.I still love you like' Roman capital in serif font.

The researchers said: “Posey's inscription appears on several 17th-century silver thimbles found across England and Wales.”

“The Cardiff, Kent and Hampshire examples were all reported through the Treasure Act 1996.”

“Such romantic passages are very similar to those found on modern posey rings,” they added.

“Perhaps a thimble, worn on one's finger while sewing, was considered an intimate (and therefore romantic) possession, suitable as a gift between lovers.”

Source: www.sci.news

Hubble Observes Large Globular Cluster in Large Magellanic Cloud

Astronomers using the NASA/ESA Hubble Space Telescope have captured detailed images of the globular star cluster NGC 1651 in the constellation Mensa.

This Hubble image shows the globular cluster NGC 1651 about 162,000 light-years away in the constellation Mensa. Image credits: NASA / ESA / Hubble / L. Girardi / F. Niederhofer.

Globular clusters are densely packed spherical clusters of hundreds of thousands or even millions of stars.

They are among the oldest known objects in the universe and are preferentially associated with the oldest components of galaxies.

There are at least 150 such objects in our Milky Way, and several more may be hidden behind the galaxy's thick disk.

NGC1651 is part of the Large Magellanic Cloud, the largest and brightest of the Milky Way's satellite galaxies.

beginning discovered Discovered by British astronomer John Herschel on November 3, 1834, this globular cluster is located approximately 162,000 light-years away in the constellation Mensa.

NGC 1651, also known as ESO 55-30 or LW 12, has a diameter of 120 light years.

“A remarkable feature of this image is that NGC 1651 nearly fills the entire image, even though the globular cluster is only about 10 to 300 light-years in diameter,” Hubble astronomers said. Masu.

“In contrast, there are many Hubble images that feature entire galaxies, tens or even hundreds of millions of light-years in diameter, that more or less fill the entire image.”

Color images of NGC 1651 consist of observations from. Hubble's Wide Field Camera 3 Found in the near-infrared and optical portions of the spectrum.

“A common misconception is that Hubble and other large telescopes can observe objects of vastly different sizes by zooming in, much like we would with special cameras on Earth,” the astronomers said. Ta.

“However, while smaller telescopes may have the option to zoom in and out to some extent, larger telescopes do not.”

“Each telescope instrument has a fixed 'field of view' (the size of the area of the sky that can be observed in a single observation).”

“For example, WFC3's ultraviolet/visible light channel, the channel and instrument used to collect the data used in this image, has a field of view that is approximately one-twelfth the diameter of the moon as seen from Earth. Masu.”

“Every time WFC3 makes an observation, it becomes the size of the region of sky it can observe.”

“There are two reasons why Hubble is able to observe objects with such widely different sizes,” the researchers said.

“First, the distance to an object determines how big that object appears from Earth, so an entire galaxy that is relatively far away is compared to a relatively nearby globular cluster like NGC 1651. could take up the same amount of space as the sky.''

“In fact, a distant spiral galaxy lurks just to the left of the cluster in this image. It's undoubtedly much larger than the cluster, but here it appears small enough to blend in with the foreground stars.”

“Second, multiple images across different parts of the sky can be mosaicked to create a single image of an object too large for Hubble's field of view.”

Source: www.sci.news

DeMi Platform Unveils Strategic Partnership with BitCluster in the World of Blockchain

Addis Ababa, Ethiopia, March 26, 2024, Chainwire

demi Announces partnership with innovative tokenized mining platform bit clusteris a leading mining solutions provider and this is an important step in expanding the production capacity of both companies.

demithe innovative tokenized mining platform revolutionizing the industry, has announced a strategic partnership with . bit cluster, a leading mining solutions provider. This collaboration means DeMi can scale up multiple times while optimizing energy costs. This will allow users of the platform to more effectively mine cryptocurrencies using only their electricity bill. $0.049 per kWh.

Equipment power is converted as follows: DEMI tokenthis process involves the conversion of computing power from mining equipment. DEMI token, serves as a concrete representation and confirmation of the purchase of the specified hashrate. To start mining on the platform, users simply purchase and stake these tokens. This innovative approach makes it easy for users to actively participate in the mining process. This system not only democratizes access to mining by simplifying the entry process, but also ensures that participants can directly contribute to and benefit from the network's security and consensus mechanisms.

By the end of December 2023, bit cluster announced that it will launch a 120MW data center in ethiopia The total area is 30,000 square meters. This amount of power allows you to install over 30,000 mining machines such as the Antminer S21 200Th.

“We considered many options for locating the equipment,” Andrei Maschitsky demi product owner Said. “And after months of searching, we finally found the ideal solution. bit cluster Facility in Ethiopia. This country has a perfect climate. The average daily temperature is from 12 to 23 degrees, without dust or heat.of bit cluster The data center is located in the capital Addis Ababa, which is convenient for logistics. The main reason for this decision was the low cost of electricity. ”

demi has already deployed over 500 devices in its new facility with a total capacity of 59 Petahash and plans to further expand its mining capacity. bit cluster Ethiopian data center.

For more information about DeMi's partnership with BitCluster, users can visit: here.

About Demi

DeMi is a tokenized mining platform that allows users to earn BTC rewards using DEMI tokens. DeMi enables users to engage in crypto mining effectively by providing a unique mining experience.

About Bitcluster

BitCluster is a modern mining solution provider. BitCluster provides an end-to-end solution for hosting and maintaining high-power computing hardware for users looking to expand their Bitcoin mining capabilities while keeping energy costs at the lowest possible level.

contact

demi product owner
Andrei Maschitsky
demi
info@demi.gg

Source: the-blockchain.com

Experts warn of increasing cyberattacks tied to Chinese intelligence agencies

Warning analysts have highlighted the increasing power and frequency of cyberattacks linked to Chinese intelligence as foreign governments test their response. This comes in the wake of revelations concerning a large-scale hack of British data.

Both the British and American governments disclosed that the hacking group Advanced Persistent Threat 31 (APT 31), supported by Chinese government spy agencies, has been targeting politicians, national security officials, journalists, and businesses for several years. They have been accused of carrying out cyber attacks. In the UK, hackers potentially accessed information held by the Electoral Commission on tens of millions of British voters, and cyber espionage targeted vocal MPs on the threat posed by China. Sanctions have been announced against Chinese companies and individuals involved by both the US and UK governments.

New Zealand’s government also expressed concerns to the Chinese government about Beijing’s involvement in attacks aimed at the country’s parliamentary institutions in 2021.

Analysts informed the Guardian that there are clear indications of a rise in cyberattacks believed to be orchestrated by Chinese attackers with ties to Chinese intelligence and government.

Chong Che, an analyst at Taiwan-based cyber threat analysis firm T5, stated, “Some hacking groups often rely on China to carry out attacks on specific targets, such as the recent iSoon Information incident. It’s an information security company that has a contract with intelligence agencies.” T5 has observed an increase in constantly evolving hacking activity by Chinese groups in the Pacific region and Taiwan over the past three years.

Chong also mentioned that while there isn’t enough information to directly trace activities to China’s highest leadership (with the Chinese government denying the allegations), activity can’t be discounted considering the Chinese system that does not differentiate… They believe that their objective is to infiltrate specific targets and steal critical information and intelligence, whether political, military, or commercial.

Several analysts noted that Western governments have become more willing to attribute cyberattacks to China after years of avoiding confrontation with the world’s second-largest economy.

David Tuffley, senior lecturer in cybersecurity at Australia’s Griffith University, remarked, “We’ve shifted from being less critical in the past to being more proactive, likely due to the increased threat and scale of actual intrusions. They are now a much more significant threat.” Cyberattacks are part of China’s gray zone activities, actions that approach but do not reach the threshold of war.

Tuffley highlighted that while much of the cyber activity is regionally focused on Taiwan and countries in the South China Sea with territorial claims, the cyberattacks are widespread. China aims to cause instability in the target country and test adversary defenses, rather than engage in violent war.

Tuffley warned of the risk of escalation, noting that other governments like the US and UK also possess sophisticated cyber espionage capabilities but have not publicly threatened action against China. US authorities charged individuals with conducting cyberattacks in violation of US law, suggesting a deep level of knowledge about the attacks.

Adam Marais, chief information security officer at Arctic Wolf, commented, “If you’ve been involved in cybersecurity for many years, this report from UK authorities won’t surprise you at all. Beijing continues to view cyber as a natural extension of its national strategy and has little fear of using cyber technology to advance its national interests.”

Source: www.theguardian.com

Review of South Park Snow Day: A Wild and Entertaining Playground Melee

TIt’s snowing heavily in South Park, Colorado, and young Eric Cartman is looking for a chance to skip school. Huddled in his bed, he clenches his fists and closes his eyes tightly, hoping that the blizzard will worsen to Biblical levels so that the next morning the school can declare a snow day. When he wakes up, the city is in panic – scores of dead, widespread panic buying of toilet paper, and weather so unprecedented that many fear it’s a sign of the end. Of course, he’s overjoyed.

What follows is the titular Snow Day, in which neighborhood children paint a fantasy war on a bright white canvas, in which elves and humans fight according to rules that may change in an instant with the development of a “random” card. Masu. South Park has always been great at capturing the bits of childhood we forget as we grow older, and with the premise of Snow Day!, developer Question Games has captured just such nuggets. I’ll find out. Give some kids a free day and a cardboard sword, and they’ll build an entire universe and bicker about exactly how it works.

What this means for players is the roguelike elements that were completely removed from South Park’s previous two 2D turn-based role-playing games, 2014’s The Stick of Truth and 2017’s sequel The Fractured But Whole It is a cooperative action game with

You can be forgiven for feeling some regret about that parting. Those story-driven games gave us countless gags that were too vulgar to tarnish this fine publication, and the abrupt transition to retro 8-bit graphics when they entered Canada When, for example, they found creative ways to use the medium itself for comedy. Frankly, the writing in Snow Day! isn’t all that sharp. But its advantage is its pick-up-and-play accessibility and unexpected depth as a roguelike.

Battle small children in your ramshackle Tolkien cosplay, deploying basic melee and ranged attacks as you race through the burbs, collecting toilet paper (new gold since panic buying began) and modifier cards. Masu. These are things like dealing extra damage to bleeding enemies or increasing the range of your farts. The more you progress through the match, the more specialized playstyles you can specify, making each battle more interesting.

Especially when a bullshit card drops. This gives you and your enemies ridiculous abilities like laser eyes and meteor showers. They’re done sparingly and are always met with enough ire from Cartman and others to remind you that these rules are supposed to feel like they’re being improvised by a 10-year-old.

Control isn’t always good. In fact, it rarely feels that way, as attack and movement animations are marred by the floating feel and lack of proper weapon feedback. But on snowy days! Keep your brain focused by allowing you to plot more efficient builds. Every card you choose has consequences, as there’s always a tougher battle around the corner and a boss fight at the end of your run. This won’t keep you and your pals in South Park’s perennial winter for as long as popular hangout spaces in co-op games like Fortnite. But for those nostalgic for the days when snow meant freedom, it offers a weekend of farting, chaotic fun.

Source: www.theguardian.com

Is Apple’s iPhone dominating talk time in the US? | Technology

aApple’s issues span beyond the Atlantic. The company is facing challenges with the EU regarding the Digital Markets Act and is closely monitoring the UK’s progress with the Digital Markets, Competition, and Consumers Bill. However, the looming antitrust lawsuit from the US government poses a significant risk for the company. The primary battleground now shifts back to its home turf.

From our narrative:

The lawsuit, filed in federal court in New Jersey, accuses Apple of having a monopoly in the smartphone market and engaging in “pervasive, persistent, and unlawful conduct” by leveraging its control over the iPhone. The lawsuit seeks to break Apple’s stronghold on the smartphone market and alleges that the company has stifled innovation to maintain its dominance.

At a press conference, US Attorney General Merrick Garland stated, “Apple has maintained power not through dominance, but through illegal anti-competitive behavior.” He emphasized that monopolistic practices like Apple’s pose a threat to the economy’s free and fair markets.

The lawsuit amalgamates a plethora of allegations from the expansive market Apple controls, focusing primarily on substantiating the key claim in US antitrust law: harm to consumers. While competing against Apple can be exasperating, the lawsuit’s success hinges on demonstrating consumer harm.

The lawsuit argues that Apple’s policies restricting the integration of third-party smartwatches with iPhones, while facilitating easy Apple Watch compatibility, and the differentiation between SMS messages from Android users and iMessages from other iPhones have contributed to the decline in market competition. It also touches on Apple’s CarPlay system’s driver-centric approach being all-encompassing.

This preemptively addresses Apple’s stance that restrictions are imperative for safeguarding user privacy and security. The filing contends that Apple justifies its anti-competitive behavior under the guise of privacy, security, and consumer preferences to further its financial and business interests. Deals like offering a “more private and secure app store” for certain entities and the multi-billion-dollar deal with Google to make it the default search engine underscore Apple’s willingness to compromise. The government insists this reveals Apple’s true intentions.

What Kind of Monopoly?

One fundamental question remains ambiguous: what exactly does Apple monopolize? Government filings assert that the company dominates the “high-performance smartphone market” at the expense of cheaper, entry-level devices. Eliminating these affordable phones would secure Apple’s 70% revenue market share, a substantial figure. Apple’s own documentation suggests they don’t view their entry-level smartphones as competitors to the iPhone and high-performance smartphones, further complicating the matter.

While the scenario might seem implausible, denying Apple’s market-shaping influence, which the Justice Department aims to dismantle, is challenging. However, does Apple truly wield market influence by dominating “high-performance” smartphones? International comparisons reveal that high-end Android smartphones excel outside the US, but Apple’s dominance remains largely unaffected. The minimal adoption of iMessage in a market dominated by WhatsApp, Line, and WeChat showcases a noticeable difference, but it hasn’t significantly impacted Apple’s overall position.

Another Game

For those in Europe, the prospect of government action against Apple for abusing its monopoly might seem unsurprising. However, US antitrust enforcement varies from the European model, necessitating litigating the case in court and prevailing based on merit.

One advantage of this system is its fairness in proving Apple’s monopoly abuse within a judicial framework, curbing regulator overreach. However, enforcement poses challenges, with cases potentially enduring for years and incurring hefty legal expenses for Apple, if either won or lost.

In contrast, the EU exemplifies a contrasting approach, swiftly enforcing regulations that are binding. The investigation into Meta, Google, and Apple underscores the regulatory landscape’s swift and decisive nature in the EU.

Source: www.theguardian.com

US and UK impose sanctions on Chinese state-sponsored hackers for alleged ‘malicious’ cyber attacks

Accusations have been made against hackers supported by Chinese government spy agencies by the United States and Britain for executing a prolonged cyberattack campaign aimed at politicians, journalists, and businesses.

The US disclosed that the operation was directed at political dissidents and critics of China through sophisticated phishing campaigns, leading to the compromise of certain email systems and networks.

Sanctions were imposed by the US government on the suspected hackers behind the scheme on Monday. The UK has sanctioned two individuals and a front company associated with APT31, a cyber espionage group connected to China’s Ministry of State Security.

On Tuesday, New Zealand’s government conveyed concerns to the Chinese government regarding its involvement in attacks targeting the country’s parliamentary institutions in 2021.

The US Treasury Department’s Office of Foreign Assets Control announced sanctions against Wuhan Xiaoruizhi Technology Co., described as a front for China’s Ministry of National Security, for being involved in multiple malicious cyber operations.

In a press release and an unsealed indictment, the US government accused China of running an extensive state-sponsored hacking program dating back over a decade. US Attorney General Merrick Garland mentioned that the hacking operation revealed the Chinese government’s intention to target and intimidate its critics.

The Treasury Department identified two Chinese nationals affiliated with a Wuhan company, Zhao Guangzong and Ni Gaobin, for engaging in cyber operations targeting critical US infrastructure sectors. These threats were attributed to the cyber hacking group APT 31, known as “Advanced Persistent Threat” and comprising state-sponsored contract hackers and operatives.

The department stated, “APT 31 targets a wide range of US government officials and their advisors crucial to US national security.”

Zhao, Ni, and five other hackers have been charged by the US Department of Justice with computer intrusion and conspiracy to commit wire fraud for their involvement in a 14-year cyber operation targeting US and foreign critics, businesses, and political officials.

Assistant Secretary Matthew G. Olsen highlighted the necessity to remain vigilant against cybersecurity threats and cyber-enabled foreign influence activities, especially as the 2024 election cycle approaches.

The hacking campaign entailed sending over 10,000 malicious emails containing hidden tracking links allowing APT 31 access to information about the target, including location and IP address. Emails were focused on government officials worldwide critical of China’s policy.

UK authorities also impose sanctions

British officials indicated that those sanctioned by the state had raised concerns about threats from China and a hack that potentially accessed data on tens of millions of British voters held by the Electoral Commission. They mentioned being responsible for a cyber espionage operation targeting members of Congress.

The Ministry of Foreign Affairs clarified that the hacking of the electoral register did not impact the electoral process, rights of individuals, or electoral registration access.

British cybersecurity officials accused hackers linked to the Chinese government of conducting reconnaissance on British MPs critical of the Chinese government in 2021, with no successful infections reported among the MPs.

Additionally, three MPs, including former Conservative Party leader Iain Duncan Smith, disclosed being subjected to harassment, impersonation, and attempted hacking from China. They are part of the Inter-Parliamentary Union on China, focused on countering Beijing’s influence.

Source: www.theguardian.com

The impact of nationality on hand gestures in communication

Police officer in Rome, Italy gestures to tourists

Jochen Tack/imageBROKER/Alamy

Research shows that different nationalities seem to use hand gestures differently, supporting the idea that Italians in particular “talk with their hands.”

Maria Graziano and her colleagues Marianne Gullberg from Lund University in Sweden asked 12 people from Sweden and 12 from Italy to describe clips from children’s TV shows, such as Pingu, and examine their gestures.

“Italians gesture more,” Graziano said on a video call, using gestures to emphasize herself, which she attributed to her upbringing in Naples, Italy. In this study, Italians made an average of 22 gestures per 100 words, compared to 11 for Swedes.

But what’s more interesting, says Graziano, is the difference in the functionality of the gestures. Swedes primarily used “representational gestures” to describe events and actions in stories, while Italians also made more “practical gestures” that commented on the story or introduced new information, such as hand movements indicating new characters.

This suggests that the two cultures think differently about how stories are produced, Graziano says. Gestures can reflect what a culture values about the content and purpose of a story.

Barbara Tversky, a researcher at Stanford University in California, mentioned that the exact reason for these results is unclear, but the findings suggest that “cultural practices of understanding and explaining short episodes are driving this behavior.” Tversky suggests further research involving larger populations with a more diverse mix of nationalities.

Graziano is currently researching the gestures used in different types of discourse and the different relationships between speakers to further understand how different cultures use gestures to communicate and tell stories.

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Source: www.newscientist.com

Meta will limit political content on Instagram for users who do not opt-in.

Meta’s recent changes on Instagram mean that users will now see less political content in their recommendations and feed unless they choose to opt-in for it. This adjustment, announced on February 9, requires users to specifically enable political content in their settings.

Users noticed this change in recent days, and it has been fully implemented within the last week. According to the app’s version history, the most recent update before this was a week ago.


The change affects how Instagram recommends content in the Explorer, Reels, and In-Feed sections. It does not impact political content from accounts users already follow.

Instagram defines political content as related to legal, electoral, or social topics. This change also applies to Threads, and users can dispute recommendations if they feel unfairly targeted.

Meta’s aim in making this adjustment is to enhance the overall user experience on Instagram and Threads. They want users to have control over the political content they consume without actively promoting it.

For more information, Meta’s spokesperson directed users to a February blog post. Similar changes will be rolled out on Facebook in the future.

Despite recent controversies, like censorship during the Israel-Gaza conflict and perceived polarization by Facebook’s algorithms, Meta continues to work on separating political and news content from its platforms.

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Although past studies suggest that algorithm changes may not alter political perceptions, Meta’s efforts to distance itself from politics and news continue. This includes phasing out the News tab on Facebook in anticipation of potential conflicts with news publishers and governments.

In ongoing discussions with the Australian government, Meta faces considerations under the News Media Bargaining Act 2021. Possible fines and revenue loss could result from this legislation.

Meta maintains that news content makes up less than 3% of user engagement on Facebook. The company remains committed to evolving its platforms in response to user preferences and societal concerns.

Source: www.theguardian.com

Drones: A Game-Changer for Animal Rights Activists Worldwide

Late last year, UrgentSeas received an anonymous tip from a former Miami Aquarium employee about an animal tank kept away from public view. Advocacy groups investigated.

In November, they posted a short clip of what they found after flying a drone over the property. It was an old manatee living alone in a dilapidated private pool. Within a month, the video had been viewed millions of times and the outcry became so intense that the U.S. Fish and Wildlife Service moved Romeo the manatee and his companion Juliet to a sanctuary.

Over the past decade, drones have become an invaluable tool for activists and conservation groups. In 2013, the animal rights organization Peta (People for the Ethical Treatment of Animals) was launched. drone campaign Tracking illegal bowhunting in Massachusetts.

Since then, drones have been used to record factory farm pollution In the Midwest of the United States, there was an outbreak of sea lice in salmon pens in Iceland. Deforestation of the Brazilian Amazon. Drones are popular because they are relatively cheap, easy to use, and can extend reach even in difficult or inaccessible terrain. It also provides a bird’s-eye view of the scale of problems such as oil spills and illegal logging.

When it comes to breeding marine mammals, an aerial view is extremely valuable and can reveal the cramped conditions and restricted lives of animals in aquariums.

In some cases, drones have captured the secret lives of hidden animals, such as Romeo the Miami manatee. “This is footage that people need to see to understand how cruel confinement really is,” said the drone pilot who shot the footage at the Miami Seaquarium, and who wishes to remain anonymous.

Another early adopter of drones is Sea Shepherd. Marine conservation groups have begun filming illegal, unreported and unregulated (IUU) fishing on the high seas.As technology advances, drones have become quieter and stealthier, he says. Simon Ager, long-time Sea Shepherd volunteer. This is critical for infiltrating ships and catching crimes in progress, he added.

“In my experience, drones have been ineffective because you can never get close to a ship where illegal activity is taking place. They see us coming, and they see us over the horizon. They will turn and flare up, and you guys will have nothing to go after them,” says Agar.


Sea Shepherd thermal drones monitor the porpoise sanctuary in the Gulf of California as part of an effort to protect the world's most endangered marine mammals from illegal fishing. Photo: Eli Hausman/Sea Shepherd Conservation Society

Agel said off the coasts of Mexico and Ecuador, tuna fishermen are pulling up nets tangled with sharks and other unintended bycatch, or dumping miles of fishing line into the water, where more marine life is caught. I recorded how it looked like it was dying. Off the coast of the Galapagos Islands, he tracked a large flotilla of Chinese squid fishing vessels with a night-vision drone.That campaign was exposed. Environmental and human rights abuses are rampant on boardincluding slave labor and the dumping of unwanted catches.

Drones also allow activists to safely distance themselves from the dangerous situations they are filming. During an operation to save endangered porpoises in the Gulf of California, cartel-funded fishermen shot a Sea Shepherd drone out of the sky and threw petrol bombs at the ship.

“Conservation is a very dangerous profession, and more environmentalists are killed every year,” Ager said. “Drones are a great way to study something without putting yourself at risk and decide if it's worth the risk.”

The high seas are a near-lawless zone where drone rules and regulations are severely violated. The legal situation is different on land, where activists use drones to photograph zoos and aquariums. UrgentSeas pilots say they use the app to determine where they are allowed to fly their drones and do their best to follow the appropriate laws.

“Flying a drone is clearly something you shouldn't do,” she says. “You don't have to stand outside the facility and fly the drone. You might even hide in the bushes. You're watching the cars. It's kind of like a mission.”

Last November, the Miami Seaquarium filed for a non-disclosure order against Argent Seeds co-founder Phil Demers after drone footage of Romeo went viral. The move is part of a larger lawsuit the aquarium filed against animal activists in May 2023, alleging defamation, public nuisance and trespassing, many of which include flying drones and trespassing on property. It was from a recording.


Romeo, the Miami Aquarium's manatee, was moved to a swimming pool at the Tampa Zoo in Florida last December. Photo: Zuma Press Inc/Alamy

The Miami Seaquarium did not respond to multiple requests for comment from the Guardian, but said in the complaint that Demers “repeatedly flew unmanned aircraft without authorization.” [Seaquarium’s] Accommodation is available during normal business hours. ”

As a relatively new technology, drones still exist in a legal gray area. “Drones, legal and privacy issues are new issues,” says Benjamin Christopher Caraway, an attorney with the Animal Activist Legal Defense Project in Colorado and Demers' attorney. There are several state torts and statutes regarding drones, but he has yet to see many cases heard in court.

Activists say drones are necessary for free speech and democracy, but opponents say they invade privacy and, in the case of aquariums and zoos, cause trouble to animals, customers and staff. .

Carraway hopes the drone law will address conflicting concerns in a nuanced way. “The whole concept of drones requires a significant update to the law and raises another question: the balance between legitimate interests and the public's right to know, privacy.”


Romeo the manatee rescued from the Miami Aquarium sticks his nose out of the water in his new home at the Tampa Zoo. Photo: Zuma Press Inc/Alamy

A trial involving Demers and the Miami Seaquarium is scheduled for May, but it is doubtful the facility will still be open by then. Last year's death of killer whale Lolita and news reports about Romeo's living conditions have added to public pressure on an already struggling aquarium. On March 7, Miami-Dade County issued an eviction notice, ordering the aquarium operator to vacate the county-owned property by April 21.


“The Dolphin Company has repeatedly failed to meet its contractual obligations under the lease agreement,” Miami-Dade County Mayor Daniela Levine Cava said in a statement. “The current situation at Miami Aquarium is unsustainable and unsafe due to its failure to maintain the facility in good condition and its failure to demonstrate that it can ensure the safety and welfare of the animals in its care.”

UrgentSeas receives 5-6 tips from whistleblowers each month. Most are former or current employees of zoos and aquariums around the world. According to Whale & Dolphin Conservation USA, currently 56 killer whales They are in captivity all over the world.

UrgentSeas plans to document every facility with a drone (though the group encourages supporters to fly the drones themselves). “It’s the drone that shows us everything,” says his anonymous UrgentSeas pilot. “But it comes with a lot of risks.”

Source: www.theguardian.com

Breaking the Morning Procrastination Cycle: Tried and True Methods

If you frequently visit the “How to Be Productive” section of TikTok, you’ve probably encountered the latest strategies to maintain focus and avoid procrastination. The key is to start your day with a low dopamine routine.

According to the low dopamine trend in the morning, the activities you engage in during the first 90 minutes after waking up determine your brain’s cravings for the rest of the day.

If your first interaction after turning off your alarm is to open Facebook or Instagram, you’ll get your initial dopamine fix from your smartphone. As a result, when you’re working at your desk and find your focus slipping, you’ll find it difficult to resist reaching for your phone for another dopamine hit, as warned by TikTok.

Instead of engaging activities, low dopamine mornings focus on calming or mundane tasks. This approach prevents your brain from feeling a lack of dopamine when you start working.


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For instance, you can swap reading the morning news for a light chore, or replace a high-intensity workout with a leisurely walk, yoga session, or meditation.

However, the concept of low dopamine mornings is more complex than popular trends suggest. While dopamine is often dubbed the “reward chemical,” its functionality is multifaceted.

Neurotransmitters play a role in various bodily processes, including movement, attention regulation, milk production, and forming associations between activities and pleasure.

These associations are not limited to joyous experiences. Unpleasant stimuli can also trigger a dopamine release, reinforcing aversion to those activities.

Therefore, if you receive a morning dopamine rush from viewing a distressing news story, you might want to limit your phone scrolling rather than increase it.

Mornings with low dopamine often involve low-intensity exercises like walking or yoga. However, these activities can elevate dopamine levels. Conversely, exercises like running or weight training do not necessarily result in a dopamine release.

Research indicates that running on a treadmill for 30 minutes has no impact on dopamine levels in the brain.

Choosing to spend a morning without social media browsing or opting for time outdoors can still have benefits for cognitive function and overall well-being. However, the effect an activity has on dopamine does not determine its worthiness.

To enhance productivity and combat procrastination, it’s essential to assess your actions individually. If you find distractions from phone notifications or office noise, consider implementing strategies to safeguard your focus.

Shut off your phone or keep it out of sight. Use earplugs or listen to soothing sounds like rain or cafe ambiance to create a conducive work environment.

If smartphone usage concerns you, adopting some aspects of the low-dopamine morning trend, like setting rules for phone usage, could prove beneficial. By consciously scheduling phone time, you can enjoy activities guilt-free and take control of your habits.

This article responds to the question “Is there a science to achieving low-dopamine mornings?” posed by Carla Saunders via email.

For inquiries, please email us at: questions@sciencefocus.comor reach out to us on Facebook, Twitteror Instagram (please include your name and location).

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Source: www.sciencefocus.com

Top 10 Countries Ranked for Cybersecurity Strengths and Weaknesses

According to a study by Harvard Business in 2023, data breaches in the US have reached an “all-time high”, with a 20% increase in the first three quarters of 2023 compared to 2022. This trend was seen globally, with concentrated attacks in the UK, Australia, and Canada. In the Middle East, ransomware gang activity increased by 77% in the same year.

Exploring the dynamic global cybersecurity landscape gives us an understanding of the level of threats faced by countries worldwide.

In response, governments are implementing new laws and policies to safeguard data and infrastructure. Additionally, national Computer Emergency Response Teams (CERT) and Cyber Instance Response Teams (CIRT) are being established, along with reporting channels for breaches.

ExpressVPN delves into the impact of cybercrime on individuals and economies in this blog post, highlighting which countries excel or lag in cybersecurity.

5 countries with the best cybersecurity

Earth in outer space with network connections and sunlight. (City Lights 2012 – Flat Map – https://images.nasa.gov/details-GSFC_20171208_Archive_e001589 – Software: 3dsMax, Adobe After Effects, Photoshop)

US

The United States has been a frontrunner in cybersecurity, but recent challenges like a real estate information leak in 2023, which exposed financial details of 1.5 billion individuals, have been concerning. In March 2023, the Biden administration introduced a national cybersecurity strategy focusing on safeguarding critical infrastructure.

Denmark

Denmark, with a high cybersecurity score of 92.6, faced a major cyberattack in 2023 by Russian hackers targeting 22 electricity companies, despite its Nordic region’s generally high cybersecurity rating.

England

The UK ranks 5th globally in cybersecurity and has initiated a cyber intelligence hub, the Cyber Coordination Centre, as part of its 2022 Cybersecurity Strategy to combat cyber threats.

Poland

Poland leads in cybersecurity readiness according to the National Cyber Security Index, attributing its success to public awareness campaigns and education about cyber threats.

Saudi Arabia

Saudi Arabia, ranking second in the ITU Global Cybersecurity Index, has made significant strides in bolstering its cybersecurity infrastructure, spending $1.2 billion on cybersecurity education for young people.

Global cybersecurity: Which countries are failing?

System hacking warning alert on notebook (laptop). Cyber-attacks on computer networks, viruses, spyware, malware, or malicious software. Cybersecurity and Cybercrime. Compromised Information Internet.

Namibia

Namibia faces increased cyberattacks due to inadequate cybersecurity regulations and infrastructure, prompting calls for stronger network and data security measures.

Tajikistan

Central Asia, including Tajikistan, Uzbekistan, Kazakhstan, and Kyrgyzstan, is vulnerable to cyber threats, with Tajikistan experiencing a high rate of malware attacks.

China

China, despite decent rankings, has a significant number of malware-infected mobile phones and IoT-based attacks originating from the country.

Bangladesh

Bangladesh struggles with cybersecurity, with a high percentage of malware-infected mobile devices and recent breaches exposing citizen data.

Iran

Iran faces major cybersecurity challenges, including a high rate of mobile phone infections with malware and vulnerabilities in critical infrastructure exposed through cyberattacks.

Source: www.sciencefocus.com

Tonight’s Aurora: A Guide to Seeing the Northern Lights in 2024

Witnessing the Northern Lights at the North and South Poles is considered a rare and unforgettable experience for many individuals. However, you now have the opportunity to cross this off your bucket list as the Northern Lights might be visible in the skies over the US and UK tonight.

Yesterday, the NOAA (National Oceanic and Atmospheric Administration) Space Weather Prediction Center issued a magnetic storm warning following a solar eruption that sent a stream of particles towards Earth, triggering the aurora borealis.

When Can You See the Aurora Borealis?

Scientists anticipate that the aurora will be visible from tonight (March 25) until early tomorrow (March 26), with optimal viewing between 11pm and 12am.

“Predicting the exact visibility of the aurora can be challenging due to rapidly changing conditions,” states Professor Don Polacco, a graduate from the Department of Physics at the University of Warwick. “However, one thing is certain: urban areas with bright lights are unlikely to provide a clear view. To observe the Northern Lights, you must venture into darker, rural settings and look towards the northern horizon (focus on the North Star).” Hence, being in the countryside away from city lights is recommended.

The prime viewing time typically falls during the darkest hours of the night, around 11pm to 12am. Nevertheless, as Polacco mentions, the appearance of the lights can be unpredictable, with avid observers possibly needing to wait until late at night for their glimpse.

The further north you venture in the Northern Hemisphere, the better your chances are of witnessing this celestial phenomenon. The same applies to individuals further south in the Southern Hemisphere.

According to astrophysicist Dr. Paul Strom, “The most effective way to see the Northern Lights is to subscribe to an alert service that keeps you informed about the activity.” For UK residents, he recommends utilizing aurora watch UK for updates.

If you intend to capture images of the aurora, Strom advises setting your camera to higher sensitivity (ISO) and securing it on a tripod to facilitate long exposure shots of a few seconds. Photography is encouraged.


Where Can You See the Northern Lights?

In the northern hemisphere, the aurora borealis can be observed across the United States, with sightings possible in states like Washington, Wisconsin, and New York. If the current geomagnetic storm maintains its strength, it might extend southwards to Northern California and Alabama.

In the UK, Scotland and Northern Ireland stand a good chance of viewing the Northern Lights if the skies remain clear.

Conversely, in the southern hemisphere, the Japan Meteorological Agency Space Weather Forecast Center has alerted Australia about the possibility of aurora borealis (southern lights). Tasmanian residents, Victoria’s coastal regions, and the southwest coast of Western Australia are expected to experience the phenomenon.

Auroras tend to be visible near the Earth’s magnetic poles, in synchronization with the geographic location of the poles. Individuals located near the Arctic or Antarctic Circles can anticipate a dazzling display of lights.

Read more:

What Causes the Aurora Borealis?

The interaction of particles emanating from the sun with Earth’s strong magnetic field set off by its molten iron core results in the aurora borealis phenomenon.

“Auroras materialize when the Sun expels huge bubbles of magnetic gas into space,” remarked Dr. Darren Baskill, an astronomy lecturer at the University of Sussex, to BBC Science Focus. “Occasionally, these bubbles collide with Earth and its magnetic channels, prompting gas to flow towards the north and south poles, illuminating the sky with the enchanting lights of the aurora borealis.”

Baskill elucidated that the sun undergoes an 11-year cycle during which its magnetic field alternates between increasing and decreasing in intensity. Presently, we are approaching the pinnacle of this cycle, implying an elevated frequency of aurora borealis sightings over the next year as solar activity heightens.

This evening’s light display follows a recent solar flare, as Baskill delineated, “A solar eruption on Sunday, March 24, 2024, resulted in the release of a gas bubble (coronal mass ejection). “The solar wind carrying the gas is currently traveling at approximately 800 km/s and is expected to impact Earth from Monday night into Tuesday morning.”

Why Are the Aurora Borealis Different Colors?

The hues of the aurora borealis and australis are determined by the fusion of specific atoms in Earth’s atmosphere with solar particles.

When oxygen atoms at higher altitudes react, a green aurora emerges. Meanwhile, sightings of blue, yellow, or red auroras indicate interactions between solar particles and oxygen or nitrogen atoms at lower altitudes.

The occasional presence of a purple hue is attributable to interactions with hydrogen and helium.

Are Geomagnetic Storms Hazardous?

Rest assured, unless you are seeking to witness the aurora borealis, geomagnetic storms pose no significant risk.

Nevertheless, these storms can potentially disrupt high-frequency radio communications. Experts vigilantly monitor aircraft and satellite communications to ensure uninterrupted operations.

In a statement released on Sunday, the NOAA Space Weather Prediction Center assured the public that no adverse effects were to be expected, with infrastructure operators already taking precautions to mitigate potential impacts.

However, the statement cautioned that disruptions to GPS systems could become more frequent and prolonged.

About Our Experts

Don Polacco: He serves as a Professor in the Astronomy and Astrophysics Group at the University of Warwick, focusing on exoplanets and overseeing the successful SuperWASP project on La Palma Island.

Dr. Paul Strom: A faculty member in the Astronomy and Astrophysics Group at the University of Warwick, engaged in the PLATO space mission and various astrophysical research endeavors, particularly emphasizing far-ultraviolet observations for understanding young planet formation environments.

Dr. Darren Baskill: An outreach officer and lecturer at the School of Physics and Astronomy at the University of Sussex, formerly affiliated with the Royal Observatory Greenwich and the administrator of the annual Astronomical Photographer of the Year competition.

Read more:

Source: www.sciencefocus.com

During the Eocene, giant fearbirds ruled as the apex predators of Antarctica.

Paleontologists have unearthed two fossilized phalanges of ancient carnivorous birds on Seymour Island in Antarctica.

Paleoenvironmental reconstruction of an early Eocene continental community on Seymour Island: large claw-shaped birds hunting and gazing at medium-sized ungulates. Nothiolophos regeloiseveral marsupials on the tree, Antarctoboenus carlinii It is flying in the sky, and behind it is a runner who cannot fly. Image credit: Carolina Acosta Hospitaleche & Washington Jones, doi: 10.26879/1340.

Ancient bird fossils were discovered in the La Meseta Formation on Seymour Island in West Antarctica.

“These phalanges belonged to a large predator, estimated to weigh around 100 kg,” said Dr. Carolina Acosta Hospitalrecce of the National University of La Plata and Dr. Washington Jones of the National Museum of History of Uruguay.

The specimen is approximately 50 million years old (early Eocene).

They belong to the following types Forsulacid (commonly known as the fear bird), an extinct family in the order Calliamyformes.

“Caryamiformes are a primarily terrestrial bird order that has shown significant diversification in the past, but only two species currently inhabit South America,” the paleontologists said.

“Despite the rich fossil record, phylogenetic and biogeographic relationships within this order remain poorly understood.”

“Within the Calliamydae, Phorsuracidae forms a crown group with the Caryamydae, and Idiornithidae and Basorhuntiidae have been reconfirmed as fossil families.”

Fossilized phalanx of an ancient Karyamiform bird from Seymour Island, Antarctica. Scale bar – 10 mm. Image credit: Carolina Acosta Hospitaleche & Washington Jones, doi: 10.26879/1340.

The Antarctic terror bird probably preyed on small marsupials and medium-sized ungulates.

“They are likely active hunters, clearly fulfilling the role of continental apex predators similar to the mammals of Paleogene Antarctic communities,” the researchers said.

“Large birds resembling Phorsulaceae represent a previously unknown guild in Antarctica.”

“These findings unequivocally reshape our understanding of the dynamics of the Antarctic ecosystem during the early Eocene.”

of result Published in an online magazine Old Trogia Electronica.

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Carolina Acosta Hospitalrecce & Washington Jones. 2024. Was the fearbird an apex predator in Antarctica? New discoveries from the early Eocene of Seymour Island. Old Trogia Electronica 27 (1):a13; doi: 10.26879/1340

Source: www.sci.news