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1 in 5 people may carry this hidden genetic heart risk

Scientists discover a hidden switch inside silver nanocatalysts

240-million-year-old reptile fossil reveals a lost chapter before dinosaurs and crocodiles

Potatoes may have given Indigenous Andeans a digestive superpower

The sun will vanish over Europe in a rare total solar eclipse: Watch live

Voyager 2 was running out of power. NASA just bought it more time

For 15,000 years, humans and dogs have been changing each other

Cassini reveals a surprising twist in Saturn’s magnetic shield

A daily glass of fruit juice was linked to lower depression scores

Scientists find the strength training “sweet spot” for a longer life

Frequent cannabis users wake up with their “stress hormone” already elevated

For decades, we were told to choose low-fat dairy. New research says otherwise

60,000-year-old ostrich eggshell engravings reveal a surprisingly sophisticated human mind

Scientists discover bacteria that lock toxic uranium into a stable form

Chemists set electrons free and break a decades-old chemistry barrier

Dinosaurs became giants — so why did they never become tiny?

Wine, beer, or spirits? Massive study finds a surprising health divide

A 0.42-nanometer breakthrough could push transistors beyond silicon

Scientists say just 7 days of meditation can rewire your brain

Stress can scramble your brain’s internal GPS, MRI study finds

The dodo bird had a secret sensory world scientists are only now discovering

Meteorite that smashed through a New Jersey roof reveals clues to life’s origins

New fuel cell breakthrough could help power energy-hungry data centers

Scientists reveal how much exercise you really need to protect your heart

A protein older than blood circulation could transform cancer immunotherapy

This tiny gold crystal could bring quantum technology out of the deep freeze

The sun is covered in tiny whirlpools we’ve never seen before

Cutting sweet foods doesn’t curb cravings or improve health

Sunlight creates quantum entanglement once thought to require lasers

Teen cannabis use linked to slower memory and thinking growth

Vitamin C may fight cancer — but not the way scientists once thought

New autism therapy shows surprising benefits even in adult mice

UCLA scientists discover how to guide heat like light at room temperature

Scientists tracked 12 people in Antarctica for 10 months—what happened could shape future Mars missions

Earth’s molten core suddenly reversed direction — and scientists don’t know why

Wearable ultrasound patch boosts REM sleep without drugs or surgery

The key to colonizing Mars may be hidden inside asteroids

Scientists find unexpected life on Ötzi the Iceman’s 5,300-year-old body

Scientists rediscover lost Megalodon fossils—and reveal a 79-foot giant

Scientists discover a hidden brain shift that begins around age 50

Major study challenges long-held fears about acetaminophen and ibuprofen use in babies

A star’s violent death exposed a hidden supermassive black hole

Cell-inspired nanoreactor turns sunlight into hydrogen peroxide

World’s most-used weedkiller disrupts honeybee brains

Nearly half of dementia cases may be linked to risks you can change

A drug already used for osteoporosis blocked spinal damage in a new study

Forget the sperm race: Fertilization may depend on teamwork

The AMOC stayed strong even as a major ocean “lifeline” nearly shut down

Dirty air may trigger painful rheumatoid arthritis flares

THC medication made PTSD nightmares disappear for more than a third of patients