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Scientists tracked kids for 8 years — the screen time result was unexpected

Animals have been eating nature’s original bioplastic for millions of years

Tiny graphene wrinkles create surprisingly powerful electrical effects

A little-known protein may be fueling Alzheimer’s — and scientists found a way to block it

This 10-cent heart drug cuts hospitalizations by 25%

A little movement in midlife could pay off for your brain years later

The common mistake that could make aging joints hurt more

Physicists discover a hidden gluon structure inside protons that could rewrite textbooks

Scientists reveal why walking gets so much harder with age

A new Ice Age species was hiding in la brea tar pits fossils for decades

A black hole shredded a “super sun” — but something strange may have survived

COVID-19 awakens dormant viruses — and one is linked to long COVID

Scientists detect a surprising shift in human blood as atmospheric CO2 rises

When gut microbes run low on fiber, they may start eating you

A 30-year-old fossil was hiding bones from a mysterious ancient sea monster

Common food preservative linked to rising suicide deaths among young people

A 60-year-old theory about ants, bees and wasps may be wrong

Scientists solve the mystery of a brain “switch” that can trigger weight loss in opposite ways

Immune cells flood into the aging brain, Stanford scientists discover

Scientists detect a nuclear reactor’s ghostly afterglow for the first time

World’s first superconducting quantum heat engine could help unlock massive quantum computers

Taking the stairs could protect your heart and help you live longer

A stress hormone may help the brain repair itself

Women taking estrogen had fewer signs of Alzheimer’s in their brains

Paleontology rocked by organic molecules found in 66-million-year-old dinosaur bones

The Atlantic Ocean can handle more warming than expected — with one big catch

Neptune’s tiny moons may be the wreckage of shattered ancient worlds

A massive new cosmic map is revealing black holes, rare stars, and hidden gas

This common vitamin deficiency becomes far more dangerous when paired with belly fat

One faulty gene copy can make the heart’s DNA fold the wrong way

NASA’s Perseverance rover watches Earth vanish from the surface of Mars

JWST spots a bizarre “black hole star” 100 billion times brighter than a star

Drinking orange juice every day may change thousands of genes

A 236-million-year-old fossil could rewrite the story of mammalian birth

A surprising brain discovery could help explain why we overeat fatty foods

A surprising triple treatment completely clears hiv in newborn primates

Human brain cells are far more powerful than scientists thought

Why your brain keeps making the same decisions – even when better options exist

Scientists discover the brain has a fast lane and slow lane for clearing waste

Ozempic may have revealed the brain’s hidden “craving center”

Scientists turn Starlink into a giant scanner for Earth’s upper atmosphere

Scientists discover a hidden brain rhythm that could improve Parkinson’s treatment

3,500-year-old skeletons challenge what scientists thought they knew about syphilis

The adult brain can repair itself better than scientists thought

Scientists turn sheep’s wool into a material that helps regrow bone

James Webb captures a cosmic lion sculpted by a dying star

A strange crystal made of electrons just revealed its hidden motion

Scientists find evidence for two origins of life on Earth

Ordinary WiFi can now identify you with near-perfect accuracy

Dogs can tell fear from sadness — and scientists saw it in their brains