World News Feed
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Stress can scramble your brain’s internal GPS, MRI study finds
Stress may literally scramble the brain’s internal GPS. Researchers found that cortisol, a hormone released during stress, made people significantly worse at navigating a virtual …
The dodo bird had a secret sensory world scientists are only now …
CT scans of the world’s rarest dodo skulls suggest the extinct bird may have had a stronger sense of smell, a highly sensitive beak, and …
Meteorite that smashed through a New Jersey roof reveals clues to life’s …
A rare meteorite that crashed through a New Jersey roof contains evidence of ancient salty fluids, organic compounds, and amino acids from a primitive asteroid. …
New fuel cell breakthrough could help power energy-hungry data centers
A new nanostructured carbon design lets fuel-cell catalysts use tiny amounts of platinum while remaining remarkably stable and efficient. The breakthrough could help hydrogen fuel …
Scientists reveal how much exercise you really need to protect your heart
Getting the recommended 150 minutes of moderate-to-vigorous exercise each week may offer only modest protection against heart attacks and strokes. A large study suggests that …
A protein older than blood circulation could transform cancer immunotherapy
A protein that evolved long before the human circulatory system may help unlock stronger cancer treatments. When C3 is produced inside tumors, it blocks immune-suppressing …
This tiny gold crystal could bring quantum technology out of the deep …
Scientists have created the first quantum material that can sort and transport different quantum states of light at room temperature, potentially removing the need for …
The sun is covered in tiny whirlpools we’ve never seen before
Scientists have discovered incredibly tiny plasma whirlpools swirling across the Sun’s surface, some just 20 kilometers wide. These previously invisible vortices may twist magnetic fields …
Cutting sweet foods doesn’t curb cravings or improve health
Changing how much sweet-tasting food people eat may not change how much they crave or enjoy sweetness after all. In a six-month trial, researchers found …
Sunlight creates quantum entanglement once thought to require lasers
Scientists have generated quantum entanglement directly from sunlight, potentially offering a lower-energy alternative to the lasers normally used in quantum technology. Their outdoor experiment produced …
Teen cannabis use linked to slower memory and thinking growth
Teens who start using cannabis may experience slower growth in memory, attention, language, and processing speed. Their abilities often developed normally at first, then began …
Postbiotic supplement boosts body’s own GLP-1 and weight loss
A small trial suggests a supplement containing dead bacteria could offer a cheaper alternative to weight-loss drugs such as semaglutide, but further evidence is needed
Vitamin C may fight cancer — but not the way scientists once …
Linus Pauling was widely mocked for claiming that vitamin C could fight cancer, especially after trials using vitamin C pills showed no benefit. Researchers now …
New autism therapy shows surprising benefits even in adult mice
Blocking the glycine transporter SLC6A20 restored important brain signaling and improved social, communication, and repetitive behaviors in autism-related mouse models. The treatment also worked in …
UCLA scientists discover how to guide heat like light at room temperature
Scientists have demonstrated that heat can move through a crystal in focused, wave-like rays at room temperature instead of spreading randomly. The breakthrough could make …
Scientists tracked 12 people in Antarctica for 10 months—what happened could shape …
A ten-month Antarctic experiment found that astronauts may struggle not only with loneliness but also with spending too much time around the same people. Frequent …
SpaceX crash site on moon revealed by South Korean orbiter
An out-of-control SpaceX rocket that crashed into the moon earlier this week did, in fact, leave an impact crater, according to images from a Korea …
Could geoengineering ‘ice arches’ help preserve Arctic sea ice?
Researchers are investigating whether artificially thickening ice blockages between Canada and Greenland could prevent huge amounts of sea ice from flowing south to melt
Earth’s molten core suddenly reversed direction — and scientists don’t know why
Earth’s molten iron core unexpectedly reversed direction beneath the Pacific, revealing a dramatic change in the hidden engine that creates our planet’s magnetic field. Satellite …
Drought and heat push Europe’s power grid to breaking point
High temperatures and low water levels have forced several countries to shut down nuclear reactors just as citizens turn up their air conditioning, forcing energy …
A mathematical measure of surprise explains why we fall for clickbait
Why are we so susceptible to clickbait? Columnist Jacob Aron traces it to a surprising source: a mathematical framework that paved the way for much …
Wearable ultrasound patch boosts REM sleep without drugs or surgery
A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study of 28 participants, …
4 ways to watch a solar eclipse without burning your eyes
Even during a solar eclipse, it isn’t safe to look directly at the sun, but with a proper solar filter or a simple pinhole projector, …
The key to colonizing Mars may be hidden inside asteroids
Metal-rich asteroids could one day become hardware stores for Mars, supplying the materials needed to build and repair a growing colony. A new analysis shows …
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