All Stories

  1. Teacher’s Questions for Moved by Life

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  2. Health & Medicine

    Infection time

    Disease is more severe when it hits in the morning, at least in mice.

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  3. Brain

    Explainer: Our bodies’ internal clocks

    Biological clocks determine hunger, sleepiness and other daily rhythms.

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  4. Health & Medicine

    Flu in the air

    Germs tiny enough to pass through surgical masks may cause half of all cases.

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  5. ‘Cool’ research for the president

    Easton James LaChappelle was one of 14 White House Science Fair participants who presented his research to the president.

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  6. Climate

    Tornado caught storm chasers

    On May 31, 55-year-old Tim Samaras died chasing tornadoes.

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  7. Plants

    Old, cold moss grows again

    Mosses are mini but mighty: Even after centuries buried beneath a glacier, some of these small, flowerless plants can regrow.

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  8. Health & Medicine

    An itch switch

    Scientists identify a chemical that helps the brain know where to scratch.

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  9. Teacher’s Questions for Wanted: ‘Smart’ cleaners

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  10. Health & Medicine

    Wanted: ‘Smart’ cleaners

    Active surfaces will — on their own — help remove everything from insects and germs to poisons.

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  11. Chemistry

    A penny for your health?

    Copper is best known as the reddish metal used to make pennies, electrical wiring and weather vanes. But two teen scientists think copper should find its way into medical settings as well. Their data suggest the metal — in bandages or on surfaces — could play a major role in killing some types of bacteria responsible for serious infections.

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  12. Health & Medicine

    Killer-flu update

    Infection that recently developed in China shows signs of being easy to spread and hard to kill.

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