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Climate change is literally altering the shape of our planet
Science News

Climate change is literally altering the shape of our planet

Climate change is making Earth progressively rounder, new research finds. The findings are a signal of human-caused climate change, however, and tracking the shape of the Earth can help reveal just how much impact people are having on its ice caps. Our planet is not a perfect sphere. Because of its rotation, it is a bit flatter at the poles and bulges in the middle. But the new study reveals that Earth is getting rounder at an accelerated rate, largely due to shifts caused by the melting polar ice caps. This finding applies only to the solid parts of the planet; the ocean continues to bulge outward at the equator. The study, published Sept. 9 in the journal JGR Solid Earth, used direct measu...

📅 2026-10-22 10:00:00    •    Live Science
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Algae-powered soft robot arm uses light to grasp and lift small objects
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Algae-powered soft robot arm uses light to grasp and lift small objects

Tiny underwater algae sway gently in the current. All of a sudden, a light shines on them and they form robotlike arms that start to pick up small rocks and put them in floating baskets. Sounds like science fiction, but researchers from Delft University of Technology (the Netherlands) have created a small soft robot arm covered with minuscule algae that can grasp and lift objects. And it's powered by light. This next step in biotechnology has been published in Nature Communications.

📅 2026-10-22 09:39:19    •    Phys.org
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Surprising new pattern of groundwater loss may signal a turning point for the Colorado River Basin
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Surprising new pattern of groundwater loss may signal a turning point for the Colorado River Basin

Western states that were thought to be resistant to prolonged drought may be more vulnerable than scientists previously believed, a new analysis of groundwater reserves in the Colorado River Basin finds.Researchers revealed the four states that together make up the Upper Basin — Colorado, New Mexico, Utah and Wyoming — lost almost twice as much groundwater as the Lower Basin did during an intense drought in the southwestern U.S. between 2020 and 2022. The finding was unexpected and might signal a turning point for the region, because the Upper Basin has long been seen as more resilient to dry spells than the Lower Basin, said Esther Oyedele, a doctoral student in geosciences at Virginia Tech...

📅 2026-10-22 09:18:11    •    Live Science
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Baby manta rays hunker down close to coasts before facing the open ocean's dangers
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Baby manta rays hunker down close to coasts before facing the open ocean's dangers

Giant manta rays can grow up to nine meters (30 feet) long with a disk size of seven meters (23 feet) across and weigh up to 2,000 kg (4,400 pounds). This size leaves them with very few natural enemies once they reach adulthood at around eight to 10 years old. But giant manta ray babies, called pups, cannot rely on their size to protect them from predators that live in the open ocean, including several species of shark and orcas.

📅 2026-10-22 04:00:01    •    Phys.org
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Natural compound could fight rheumatoid arthritis at its source
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Natural compound could fight rheumatoid arthritis at its source

A natural compound extracted from a medicinal plant has shown surprising promise against rheumatoid arthritis. In rats, it reduced joint swelling, protected cartilage, and calmed the immune responses responsible for chronic inflammation. Scientists discovered that the compound works by targeting a specific protein and restoring balance to fatty acid metabolism, revealing a previously underexplored way to fight the disease.

📅 2026-10-22 03:37:25    •    ScienceDaily
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A simple 15-minute treatment could help patients avoid carpal tunnel surgery
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A simple 15-minute treatment could help patients avoid carpal tunnel surgery

A simple, steroid-free procedure could offer lasting relief for people struggling with carpal tunnel syndrome, potentially helping them avoid surgery. In a clinical trial involving 63 patients, researchers found that ultrasound-guided hydrodissection, which uses fluid to free a compressed nerve in the wrist, provided longer-lasting improvements in pain, numbness, and hand function than traditional steroid injections.

📅 2026-10-22 03:03:08    •    ScienceDaily
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Illegal fishing is thriving in African waters—a satellite system could help change that
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Illegal fishing is thriving in African waters—a satellite system could help change that

A patrol boat off the coast of Gabon intercepted three trawlers in July 2026, inside the Grand Sud Reserve. This is one of West and Central Africa's largest marine reserves, where industrial trawling is banned. None of the trawlers held a valid license. The patrol found them because analysts at the nonprofit Global Fishing Watch had studied satellite data and worked out where to look.

📅 2026-10-22 02:40:07    •    Phys.org
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People are taking an unapproved weight-loss drug. AI found something surprising
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People are taking an unapproved weight-loss drug. AI found something surprising

Researchers analyzing nearly 150,000 Reddit posts uncovered unexpected symptom reports linked by users to unapproved versions of retatrutide, including increased appetite, sleep disturbances, and elevated heart rates. The findings differ from clinical trial results and highlight how AI could help identify potential drug safety signals that warrant further investigation.

📅 2026-10-22 02:37:01    •    ScienceDaily
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Horror films exploit how human vision works to deliver movies' best scares
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Horror films exploit how human vision works to deliver movies' best scares

Imagine you're in the movie theater watching 2018's "Hereditary." During one of the film's most unsettling sequences, the main character, Peter, wakes up in bed disoriented. As he sits up, you hear a couple of gasps from others in the audience. The camera stays locked on Peter as he moves through his house and enters the dim living room.

📅 2026-10-22 02:00:01    •    Phys.org
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A rock plunged 90 kilometers into Earth and revealed something unexpected
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A rock plunged 90 kilometers into Earth and revealed something unexpected

Scientists discovered a rock in Papua New Guinea that plunged more than 90 kilometers beneath Earth's surface, revealing a bizarre temperature pattern that challenges established theories of Earth's interior. The unexpected shift from unusually hot to relatively cold conditions could transform our understanding of tectonic plate movements, earthquakes, and volcanoes.

📅 2026-10-22 01:35:57    •    ScienceDaily
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Student motivation and responsibility shown to be key to tackling bullying in physical education
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Student motivation and responsibility shown to be key to tackling bullying in physical education

Physical education has traditionally been one of the most eagerly awaited classes of the school day, since it lets students get out of the classroom, move around and interact with their classmates in a different way—conditions that are conducive to learning values such as camaraderie and cooperation. However, the physical exposure and the dynamics of interaction, comparison and competition that the class can entail still make some students uneasy, and, in settings where bullying occurs, turn it into a potentially unsafe space.

📅 2026-10-22 01:20:01    •    Phys.org
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AI listens to bee buzzes to monitor activity without lethal traps
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AI listens to bee buzzes to monitor activity without lethal traps

Populations of many pollinators, including bumblebees, have been crashing over the last few decades, thanks to the widespread use of chemical pesticides, loss of habitat and the acceleration of climate change. But it can be hard to know just how bad the problem is, or whether conservation strategies are helping, without relying on lethal traps—which can kill tens of thousands of bees in order to get an accurate count of their populations.

📅 2026-10-21 23:40:05    •    Phys.org
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Venomous primate thought lost to science for nearly a century turns up in gardens and on roads across Indonesia
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Venomous primate thought lost to science for nearly a century turns up in gardens and on roads across Indonesia

A big-eyed, venomous primate that had not been documented in scientific literature since the 1930s has been hiding in plain sight on the Indonesian island of Bangka, turning up in backyards, along roadsides and on power lines and prompting local residents who find them to call the Alobi Wildlife Rescue Center for help.

📅 2026-10-21 23:40:01    •    Phys.org
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