All Stories

  1. Chemistry

    Harder than diamonds?

    Researchers create new material that may be world’s hardest.

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  2. Health & Medicine

    The 2012 Nobel Prizes

    Annual awards go to research on cells, atoms and light.

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  3. Planets

    Curiosity’s watery find

    Mars rover finds rocks that show where water once flowed.

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  4. Brain

    The teenage brain

    Adolescence triggers brain — and behavioral — changes that few kids or adults understand.

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  5. Teacher’s Questions for The Teenage Brain

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  6. Earth

    Earth’s big breakup

    Powerful motions beneath the Indian Ocean unleashed a series of earthquakes near Sumatra.

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  7. Tech

    Color-changing robot

    Tiny tunnels within the “skin” of a robot allow it to blend in with or stand out from its surroundings.

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  8. Microbes

    Bacteria learn new trick

    Scientists show evolution in action in decades-long E. coli study.

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  9. Teacher’s Questions for Old Germs

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  10. Microbes

    Living 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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  11. Animals

    Bird malaria moves north

    Germs that cause a so-called tropical disease make themselves at home in frosty Alaska.

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  12. Brain

    Risk-taking linked to Ritalin

    People who inappropriately take the prescription drug to become more alert may also become more reckless.

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