All Stories
- Chemistry
Harder than diamonds?
Researchers create new material that may be world’s hardest.
By Sid Perkins -
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BrainThe teenage brain
Adolescence triggers brain — and behavioral — changes that few kids or adults understand.
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- Earth
Earth’s big breakup
Powerful motions beneath the Indian Ocean unleashed a series of earthquakes near Sumatra.
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TechColor-changing robot
Tiny tunnels within the “skin” of a robot allow it to blend in with or stand out from its surroundings.
- Microbes
Bacteria learn new trick
Scientists show evolution in action in decades-long E. coli study.
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MicrobesLiving long beneath the sea
Microbes in the mud beneath the seafloor may live millions of years, redefining what it means to be old and alive.
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AnimalsBird malaria moves north
Germs that cause a so-called tropical disease make themselves at home in frosty Alaska.
- Brain
Risk-taking linked to Ritalin
People who inappropriately take the prescription drug to become more alert may also become more reckless.