Tag Archives: rapid

Emperor Penguins Face Rapid Decline: Now Listed as Endangered Species

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Emperor Penguins at Risk of Extinction by 2100

Stefan Christmann/naturepl.com

Antarctica is witnessing a dramatic decline in two iconic species—the emperor penguin (Aptenodytes forsteri) and the Antarctic fur seal (Arctocephalus gazella), both of which are now classified as endangered on the IUCN Red List.

Meanwhile, the southern elephant seal (Mirounga leonina) has been downgraded from “Least Concern” to “Vulnerable.”

The IUCN Red List is recognized globally as the most comprehensive evaluation of the conservation status of animal, fungal, and plant species.

Data from the IUCN reveals that satellite imagery indicates a staggering loss of about 10%—over 20,000 adult emperor penguins—between 2009 and 2018. Projections estimate that their population will be cut in half by the 2080s.

“We’ve determined that human-induced climate change represents the most critical threat to emperor penguins,” stated Philip Trathan of the British Antarctic Survey and a member of the IUCN Species Survival Committee. “Early spring sea ice collapse is already impacting colonies throughout Antarctica, further alterations in sea ice will influence breeding, feeding, and molting habitats.”

The population of Antarctic fur seals has plummeted by over 50%, dropping from more than 2 million adult seals in 1999 to approximately 944,000 in 2025, primarily due to climate change.

In addition, southern elephant seal numbers have been severely affected by avian influenza, resulting in over 90% mortality among newborns in certain colonies, according to the IUCN.

Sharon Robinson from the University of Wollongong, Australia, along with colleagues, highlighted in 2022 that emperor penguins are among Antarctica’s most endangered species, potentially facing extinction by 2100.

“Global warming, which warms the oceans and melts sea ice, is eradicating the breeding grounds essential for successful reproduction of emperor penguins,” Robinson noted. “Like many birds and mammals, penguin chicks require safe environments for development, yet human activities are swiftly dismantling these critical habitats.”

Robinson, along with Dana Bergstrom from the University of Wollongong, also stressed the urgent need for attention. The 2025 survey offered alarming updates on the plight of emperor penguins and fellow Antarctic species.

“Of over 60 known emperor penguin colonies around the coastline, about half have exhibited increased reproductive failure or complete loss of breeding success due to early ice loss since 2016, with 16 colonies affected more than once,” Bergstrom explained. Fast ice refers to the sea ice that clings to the coast or seabed.

“This context adds to the already dire situation on the Antarctic Peninsula, where premature sea ice collapse has led to drowning chicks,” she stated.

The fate of the emperor penguin is “inextricably linked to climate policy,” according to the World Wildlife Fund. “To mitigate severe impacts, it’s critical to transition from fossil fuels and restrict global temperature rise to as close to 1.5°C as feasible,” WWF emphasized.

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Source: www.newscientist.com

Unlock Rapid Fat Loss: The One Exercise Hack You Need to Try

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As spring approaches and you notice a few extra pounds, remember: it’s a product of evolution, not just the tempting family-sized tin of chocolate.

Humans are biologically designed to accumulate fat during colder months. In chilly weather, our bodies tend to burn more calories while being less active.

This is an evolutionary adaptation from pre-industrial eras, when food was scarce, leading our bodies to store fat as energy for the winter season.

However, in today’s world, this scarcity is often a myth. Modern conveniences like refrigeration, long-distance shipping, and enticing 3-for-2 deals on snacks mean that winter has transformed into a time of indulgent excess rather than depletion.

This evolutionary response makes it challenging to stick to winter weight loss resolutions. Our bodies react to a dip in calorie intake by ramping up our appetite or subtly reducing energy expenditure.

If you find yourself carrying extra weight after the winter season, there might be an unexpected solution: perhaps gaining a bit of weight could help you lose weight.

Add Weight to Lose Weight

In a 2025 study, researchers explored the effectiveness of weighted vests for weight loss. A weighted vest features pockets for weights and can weigh anywhere from 3 to 30 kg (or even more if you want to channel your inner robot).

A small study published in the International Journal of Obesity followed overweight participants for two years. They were divided into two groups: one underwent calorie restriction, while the other wore weighted vests for 10 hours daily.

Both groups saw weight loss in the first six months, but two years later, both regained weight—a common yo-yo effect. What’s intriguing is that the calorie-restricted group regained all their lost weight, while those with the weighted vests only regained half.

Why is this the case? Researchers discovered that the resting metabolic rate (RMR)—the calories burned during basic functions—was higher in those wearing the vests.

“Lower RMR after weight loss often leads to weight regain, so maintaining RMR helped participants stay at a lower body weight,” explains Professor Kristen Beavers, a health and exercise scientist at Wake Forest University and co-author of the study. “Those with a higher RMR retained more of the weight they lost.”

This research further emphasizes how resistance training—like weightlifting and bodyweight workouts—can effectively support long-term weight loss. Weighted vests fit perfectly into this regimen, as they increase energy expenditure during movement.

“Adding weight makes your muscles, bones, and cardiovascular system work harder for activities like walking or climbing stairs,” Beavers states. “This increased effort raises the calorie cost of exercise, allowing for more calories burned without changing the type or duration of activity.

Moreover, the added weight acts as resistance training, contributing to muscle mass and strength over time. Since muscle tissue burns more calories at rest compared to fat, maintaining or increasing muscle mass boosts resting metabolic rate and aids in weight loss.

Gaining weight can be an effective strategy for weight loss – Photo credit: Getty Images

How to Use a Weighted Vest

If you’re considering incorporating weighted vests into your routine, Beavers offers some advice. Start with gradually added weight as most people find these vests comfortable after a brief adjustment period. Pay attention to your posture to avoid discomfort or injury.

Ensure the vest’s weight is significant; literature suggests that wearing a load of about 8% to 10% of your body weight can effectively impact energy balance and body weight regulation.

The impact also varies based on the duration of wear—whether you’re just lounging or exercising.

As research continues to substantiate the weight-loss benefits of weighted vests, studies also explore their positive effects on bone and cardiovascular health. In other words, this wearable could significantly enhance your overall health.

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Source: www.sciencefocus.com

Research: Squid Evolved 100 Million Years Ago and Experienced Rapid Radiation

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Paleontologists have adopted a cutting-edge digital fossil mining technique to examine over 250 fossil beaks from 40 ancient squid species. The findings indicate that there is no prolonged slow-moving change associated with the slower parietal layer, previously linked to the mass extinction event of late white matter around 66 million years ago. Early squid species had already established large populations, surpassing the biomass of both ammonites and fish. They evolved into intelligent and agile swimmers, contributing to modern marine ecosystems.

This lithograph features Loligo Forbesii, a squid species from the order Myopsida. Image credit: Comingio Mercuriano.

Squid are recognized as the most diverse and widely distributed group of marine cephalopods in today’s oceans, serving a crucial role in marine ecosystems as both predators and prey.

Their evolutionary success is generally attributed to the loss of a rigid external shell, a significant characteristic of their parietal ancestors.

Yet, their evolutionary beginnings remain unclear due to the scarcity of fossils from soft-bodied organisms.

The fossil record for squid dates back around 45 million years, with most specimens discovered consisting of fossilized statoris, or small calcium carbonites that assist in balance.

The early absence of such fossils has led to hypotheses that squid diversified following the mass extinctions during the Cretaceous period, approximately 66 million years ago.

Molecular studies of living squid species provide estimates regarding their divergence times; however, these estimates have become increasingly uncertain because of the dearth of prior fossil evidence.

In this recent study, Shin Ikegami, a paleontologist from Hokkaido University, and colleagues addressed these deficiencies using high-resolution grinding tomography and advanced image processing to digitally scan rocks as layered cross-sectional images, effectively revealing hidden 3D models.

This method was applied to Cretaceous carbonate rocks in Japan, resulting in the discovery of 263 fossilized squid beaks from 40 species across 23 genera and five families.

Results indicate that squid emerged around the boundaries of the early and late Cretaceous, roughly 100 million years ago, followed by a rapid diversification.

The authors assert that this newly uncovered fossil record significantly extends the documented origins of the two main squid groups: oegopsida extending back about 15 million years and myopsida extending as far back as 55 million years.

Early oegopsids showcased unique anatomical features that later species lacked, hinting at rapid morphological evolution, whereas Myopsids already displayed modern characteristics.

This study further indicates that late Cretaceous squids were more populous and often larger than their contemporaneous ammonite and bony fish counterparts. This ecological dominance might have triggered the radiation of bony fish and marine mammals roughly 30 million years ago, establishing squid as the first intelligent and agile swimmers that shaped modern marine ecosystems.

“In terms of population and size, these ancient squids were evidently proliferating across the oceans,” stated Dr. Ikenakamoto.

“Their body size rivaled that of fish, often even surpassing the ammonites found alongside them.”

“This demonstrates that squid thrived as the most abundant swimmers in the ancient seas.”

“These discoveries revolutionize our understanding of marine ecosystems in the past,” remarked Dr. Yasuhiro Iba from Hokkaido University.

“Squids were likely the pioneers of fast, intelligent swimmers that dominated the modern ocean.”

Study published in the journal Science.

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Shin Ikegami et al. 2025. The origin and radiation of squid revealed by digital fossil mining. Science E 388 (6754): 1406-1409; doi: 10.1126/science.adu6248

Source: www.sci.news

This Magnetic Safe Offers Rapid Storage for the World’s Most Dangerous Substances

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Antimatter particles are fundamentally similar to their normal matter counterparts, differing primarily in their opposite charges and momentum.

Although extremely rare, physicists routinely generate antiparticles using particle accelerators. Additionally, anti-Dutters occur naturally in high-energy processes near the event horizons of black holes.

The question of how and why the universe is predominantly made up of normal matter remains unresolved.

Creating antimatter is a complex and costly endeavor. The European Institute of Particle Physics (CERN) plays a crucial role in this process. Using an anti-proton decelerator, a proton beam strikes a metal target, resulting in the generation of anti-protons.

However, this process only yields tens of thousands of particles.

One of the significant challenges with antimatter is that when it interacts with normal matter, it vanishes instantly, releasing energy. Therefore, the task of preventing its annihilation and storing it long-term poses a substantial technical hurdle.

Nonetheless, CERN engineers are working on methods to store and transport small amounts of anti-protons.

The challenge with antimatter is that it completely disappears upon contact with normal matter, releasing energy. – Image credits: Getty Images

To achieve this, researchers cool anti-protons to approximately -269ºC (-452.2°F) to nearly halt their motion. They then contain them in a high-vacuum enclosure to avoid contact with normal matter, using superconducting magnets to trap them.

This process must be managed while maintaining the capability to extract particles and introduce new ones into the enclosure.

Despite these challenges, CERN aims to develop “traps” capable of storing billions of anti-protons simultaneously. Recent techniques have been validated by transporting regular matter across the Swiss CERN facility.

With advancements in vacuum systems, antimatter storage and transport may soon become routine activities in the upcoming year.

This article addresses the question posed by Leighton Haas of Hamburg: “How is antimatter preserved?”

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Source: www.sciencefocus.com

BYD, a Chinese EV manufacturer, claims their new rapid charging system could rival the speed of filling up a gas tank

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BYD, a Chinese electric vehicle (EV) maker, has announced plans to construct a charging network across China. This network aims to enable EVs to charge as quickly as refilling with gasoline.

Founder Wang Chuanfu revealed the “supere platform” at a home event in Shenzhen on Monday. This platform will support a peak charging speed of 1,000 kW, allowing cars to travel 400 km on a five-minute charge.

BYD’s 1,000 kW charging speed is double that of Tesla superchargers, offering faster charging speeds than before in the industry. Fast charging technology is crucial for increasing EV adoption.

Tesla, already struggling, saw its shares drop 15% on March 10, prompting concerns for owner Elon Musk. The company faces challenges in meeting sales targets and producing self-driving cars, with increasing competition from more affordable EV models from Chinese companies like BYD.

Tesla stocks dropped 4.8% on Wall Street, marking an eighth consecutive weekly decline. Baron.

Wang emphasized the goal of reducing EV charging times to match gasoline vehicle refueling times. The new charging architecture will debut with the Han L Sedan and Tang L SUV, priced from 270,000 yuan ($37,330).

BYD plans to build over 4,000 ultra-fast charging stations to support the new platform, but no specific timeline for construction was provided. Previously, BYD owners relied on public charging poles from other manufacturers or third-party operators.

While Tesla has been offering superchargers in China since 2014, other Chinese EV companies like NIO, Li Auto, Xpeng, and Zeekr have also established charging facilities.

BYD’s sales primarily come from plug-in hybrids, with aims to sell 5-6 million units this year.

Reuters and

Source: www.theguardian.com

Monitoring recurring rapid radio bursts at the edge of a stationary elliptical galaxy

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The source of the newly detected fast radio burst, FRB 20240209A, is located 2 billion light-years from Earth, on the remote outskirts of an ancient elliptical galaxy with a mass of more than 100 billion solar masses. The remnants of young stars that theorists believe would generate such bursts of radio waves should have long died out in this 11.3 billion-year-old galaxy are detailed in two supplementary studies. Astrophysics Journal Letter this discovery shatters the assumption that fast radio bursts emanate only from regions of active star formation.

Gemini image showing the host galaxy (cyan crosshair) and local ellipse of FRB 20240209A. Image credit: Shah others., doi: 10.3847/2041-8213/ad9ddc.

“The conventional wisdom is that fast radio bursts (FRBs) originate from magnetars formed by collapsing supernovae,” said Taraneh Eftekari, an astronomer at Northwestern University.

“That doesn’t seem to be the case here. Young, massive stars die out as core-collapse supernovae, but we see no evidence of young stars in this galaxy.”

“Thanks to this new discovery, it is becoming clear that not all Feds are born from young stars.”

“Perhaps there is a subpopulation of FRBs associated with older systems.”

“This new FRB shows that just when we think we understand an astrophysical phenomenon, the universe can turn around and surprise us,” added Wen-Fai Feng, an astronomer at Northwestern University. Ta.

“This ‘dialogue’ with the universe is what makes our field of time-domain astronomy so incredibly thrilling.”

FRB 20240209A was discovered by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) in February 2024.

FRBs are short, powerful bursts of radio waves that flare up and disappear within milliseconds, producing more energy in one quick burst than the sun emits in a year.

However, FRB 20240209A flared up multiple times. During the first burst from February to July 2024, the same source produced 21 additional pulses.

After the research team located the FRB, astronomers quickly used telescopes at W.M. Keck and Gemini Observatories to study the environment surrounding the event.

Surprisingly, rather than discovering young galaxies, these observations revealed that the FRB’s origin lies 2 billion light-years from Earth, at the edge of a neighboring galaxy 11.3 billion years ago.

To learn more about this unusual host galaxy, the researchers used high-performance computers to run simulations.

They discovered that this galaxy is extremely bright and incredibly huge – 100 billion times the mass of our Sun.

“This appears to be the most massive FRB host galaxy ever. It’s one of the most massive galaxies out there,” Dr. Eftekari said.

Although most FRBs occur inside galaxies, the authors tracked FRB 20240209A to the outskirts of its homeworld, 130,000 light-years away from the galaxy’s center, where there are few other stars.

“Of all the FRB populations, this FRB is the furthest from the center of its host galaxy,” said Vishwangi Shah, a graduate student at McGill University.

“This is both surprising and interesting because FRBs are expected to occur inside galaxies, often in star-forming regions.”

“The location of this FRB so far outside its host galaxy raises the question of how such an energetic event could occur in a region where new stars are not forming.”

According to the research team, FRB 20240209A likely originated within a dense globular cluster.

Such clusters are promising sites for magnetars that may have formed through other mechanisms, such as the merger of two neutron stars or the collapse of a white dwarf star under its own gravity, or in conjunction with older stars.

“The globular cluster origin of this repeating FRB is the most likely scenario explaining why this FRB is located outside of its host galaxy,” Shah said.

“Although we do not know for a fact whether there is a globular cluster at the FRB’s location, we have submitted a proposal to use NASA/ESA/CSA’s James Webb Space Telescope for follow-up observations of the FRB’s location.”

“If so, this FRB would be only the second FRB known to exist within a globular cluster. If not, consider other exotic scenarios for the origin of FRBs. You will need to.”

“It’s clear that there is still a lot of interesting discovery to be made about the Fed, and that its environment may hold the key to unlocking its secrets,” Dr. Eftekari said.

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T. Eftekari others. 2025. A huge, stationary elliptical main galaxy that repeats high-speed radio bursts FRB 20240209A. APJL in press. arXiv: 2410.23336

Vishwangi Shah others. 2025. A source of high-speed radio bursts that repeat on the outskirts of a quiet galaxy. APJL 979, L21; doi: 10.3847/2041-8213/ad9ddc

Source: www.sci.news

The rapid intensification of Hurricane Milton is indicative of a climate trend

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The Milton, which is expected to make landfall along the Florida Gulf Coast Wednesday evening, is sailing through unusually warm waters in the Gulf of Mexico. Temperatures in much of the ocean basin were well above 80 degrees Fahrenheit, with some parts of the bay up to 4 degrees warmer than normal. Data from NASA’s Jet Propulsion Laboratory.

Rising temperatures in the Gulf also strengthened Hurricane Helen, which made landfall in Florida’s Big Bend region less than two weeks later.

2023 study published in journal scientific report We find that Atlantic tropical cyclones are about 29% more likely to develop rapidly from 2001 to 2020 compared to 1971 to 1990.

Scientists have documented many recent examples of rapid intensification, including Hurricane Harvey in 2017, Hurricane Laura in 2020, Hurricane Ida in 2021, and Hurricane Idalia last year. 2019 Hurricane Dorian’s peak wind speed increased from 150 mph to 185 mph in nine hours, and 2022 Hurricane Ian experienced two rapid intensifications before making landfall in Florida.

Although this process is well documented, rapid intensification is difficult to predict. Although scientists know the ingredients needed to activate this phenomenon, it remains difficult to predict exactly how and when it will occur, and its exact triggers.

Milton is expected to weaken slightly before making landfall, but the storm’s impacts will be severe. A storm surge watch is in effect for the Florida Gulf Coast, including the Tampa Bay area, with potentially life-threatening storm surges of up to 12 feet expected. As many as 15 million people are under flood watches across the state.

Dennis Chow

Dennis Chou is a science and space reporter for NBC News.

Source: www.nbcnews.com