Science News

Latest science news, discoveries and scientific developments.

AI-enhanced petitions on Change.org: More text, less success
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AI-enhanced petitions on Change.org: More text, less success

The change was obvious—but in the end, things stayed about the same. Cornell researchers took advantage of online petition website Change.org's gradual rollout of an artificial intelligence writing tool to gauge AI-enhanced language's impact on petition outcomes.

📅 2026-09-30 19:10:01    •    Phys.org
Research collaboration helps Gulf Coast communities plan for the unpredictable
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Research collaboration helps Gulf Coast communities plan for the unpredictable

For communities along the Gulf Coast, hurricane season presents a recurring challenge: knowing when, where and how to evacuate before a major storm hits. To tackle this, researchers at Texas A&M University have spent more than a decade helping local, state and federal agencies develop clear, data-driven evacuation strategies.

📅 2026-09-30 19:00:21    •    Phys.org
Mysterious oarfish's fins inspire large underwater robot design
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Mysterious oarfish's fins inspire large underwater robot design

When designing a large underwater robot that could swim silently to avoid startling sea creatures, roboticist Rob Shepherd considered the unusual swimming system of oarfish, the meters-long fish whose ribbon-like dorsal fin moves in waves to propel its body.

📅 2026-09-30 18:40:20    •    Phys.org
Powerful 'Kelvin wave' triggered by super El Niño threatens to raise sea levels off the California coast for months
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Powerful 'Kelvin wave' triggered by super El Niño threatens to raise sea levels off the California coast for months

A powerful "Kelvin wave," triggered by this year's super El Niño, is creeping up the Pacific coast of Central and North America and will soon reach California's shores, where it could raise sea levels by up to 1 foot (30 centimeters) for months, researchers warn.Kelvin waves are a well-known, planetary-scale ocean phenomenon, but this particular forecast has experts worried because it will likely amplify the damage from severe storms, storm surges, flooding and coastal erosion that the record-shattering El Niño is expected to bring this winter.In general, a Kelvin wave is a swell wave that spans thousands of miles and balances Earth's rotation, David Webb, a physical oceanographer at the Nat...

📅 2026-09-30 16:10:59    •    Live Science
Astronomers discover 'backward' planet orbiting its star in the wrong direction
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Astronomers discover 'backward' planet orbiting its star in the wrong direction

Researchers have discovered an exoplanet that travels around its small, red star backward, much like a rubber duck spinning against the current in a whirlpool. The discovery could give insight about how exoplanets form around the most common types of stars in our galaxy.It's a mystery why the alien world, called GJ 3090 b, orbits its star backward (also called a retrograde orbit). Stars and planets usually form from the same rotating disk of gas and dust, called a protoplanetary disk. Newly formed celestial objects normally rotate in the same direction as the protoplanetary disk, because changing the rotational direction requires a lot of energy applied in the right way.Astronomers have disc...

📅 2026-09-30 16:07:27    •    Live Science
Regular exercise reshapes the immune system at a cellular level, study suggests
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Regular exercise reshapes the immune system at a cellular level, study suggests

It's well-known that regular exercise comes with health benefits, but exactly how those benefits manifest at the cellular level isn't clear. Now, researchers have identified a series of changes in metabolism and the immune system that differentiate regular exercisers from people with sedentary lifestyles. The findings, published Sept. 18 in the journal Science Advances, point to potential pathways for managing chronic diseases, such as diabetes, heart disease and cancer, the scientists say.The team of researchers analyzed data from the Chinese Immune Multi-omics Atlas (CIMA), which includes data from 400 adults who gave blood samples and answered an in-depth questionnaire about their lifesty...

📅 2026-09-30 14:10:00    •    Live Science
Exhaling may speed up reaction times
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Exhaling may speed up reaction times

Scientists testing potential treatments for sleep apnea made an unexpected discovery. How quickly people react may depend on whether they’re breathing in or out.

📅 2026-09-30 13:00:00    •    Science News
Cannabis users were twice as likely to commit violence, review finds
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Cannabis users were twice as likely to commit violence, review finds

A review of more than 265,000 people found that cannabis use was associated with higher rates of both committing violence and becoming a victim of it. The researchers say the link is significant but does not prove cannabis itself is the cause.

📅 2026-09-30 12:49:01    •    ScienceDaily
A record-breaking X-ray flash may reveal the birth of a magnetar
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A record-breaking X-ray flash may reveal the birth of a magnetar

Astronomers have found strong evidence that some mysterious, minutes-long X-ray flashes are produced when two neutron stars collide and create a magnetar. One record-setting event glowed in X-rays for nearly 10 minutes, potentially opening a new way to find these extreme cosmic mergers.

📅 2026-09-30 12:27:27    •    ScienceDaily
Ocean heatwaves are hiding months of extra warming
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Ocean heatwaves are hiding months of extra warming

Marine heatwaves may be only the most intense part of much longer warming events, with elevated temperatures sometimes lingering for months. Researchers found that conventional measurements underestimate total heat exposure by more than 150% on average, potentially overlooking a major source of stress on marine ecosystems.

📅 2026-09-30 12:15:10    •    ScienceDaily
E. coli survives longer in poultry-amended Georgia onion soils, two-year study finds
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E. coli survives longer in poultry-amended Georgia onion soils, two-year study finds

New research suggests that poultry litter-based soil amendments and weather conditions, particularly extreme weather events, may influence how long bacteria survive in agricultural soils used to grow sweet onions. The findings could help inform food safety risk management for produce growers.

📅 2026-09-30 12:00:09    •    Phys.org