All Stories

  1. Health & Medicine

    Wanted: ‘Smart’ cleaners

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

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  2. 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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  3. 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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  4. Physics

    Black hole mysteries

    Scientists are just getting to know the black holes that help anchor our cosmos.

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  5. Chemistry

    New bag keeps food fresh longer

    Invention harnesses oxygen-trapping power of iron.

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  6. Chemistry

    A warming life jacket

    New liner contains a substance that helps fight heat loss in chilly water.

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  7. Physics

    Smile! Dimples boost your mileage

    Trucks covered with tiny indentations, like those on golf balls, experience less friction.

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  8. Tech

    Better chow yields more milk

    A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds.

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  9. Health & Medicine

    Fuzzy future

    Kids may suffer impaired vision from spending too little time outdoors, studies suggest.

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  10. Teacher’s Questions for Fuzzy Future

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  11. Tech

    Building with moon rocks

    Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials.

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  12. Climate

    Major twister hits Oklahoma

    Its speed, which largely determines the damage it causes, is still unknown.

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