All Stories

  1. Science & Society

    Retractions: Righting the wrongs of science

    Retractions let scientific journals remove bogus studies from the record. It's part of a self-correction process that helps move science forward.

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  2. Science & Society

    When a study can’t be replicated

    Many factors can prevent one study from matching another in all regards, including its findings. Those factors may have nothing to do with mischief.

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  3. Health & Medicine

    Survey finds U.S. schools start ‘too early’

    The school bell dings too early for U.S. tweens and teens, a survey finds. Most kids start class well before the recommended 8:30 a.m.

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  4. Planets

    Like Tatooine in ‘Star Wars,’ this planet has two suns

    Scientists have found the tenth planet with two suns. Such planets might be more common than single-sun planets, like our own, a new survey suggests.

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  5. Health & Medicine

    More data link vaping to smoking

    A new study finds vapers who don’t smoke are likely to start — even when they initially had no intention of ever taking up a cigarette.

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  6. Physics

    Scientists Say: Viscosity

    We know some liquids are thick and some are thin. This week’s word describes the property of these liquids to resist tension or pressure.

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  7. Animals

    Chikungunya wings its way north — on mosquitoes

    A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.

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  8. Physics

    Stephen Hawking says his group has solved a black hole puzzle

    Physicist Stephen Hawking says light sliding along the outside of a black hole holds the key to understanding what’s inside.

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  9. Animals

    Boa constrictors stop their victims’ hearts

    It’s a myth that boa constrictors kill by suffocation. A new study shows the snakes actually squeeze off blood flow, stopping the hearts of their prey.

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  10. Agriculture

    Plant ‘vampires’ lay in wait

    A new study shows how some parasitic plants evolved the ability to sense a potential host — and then send out root-like structures to feed on them.

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  11. Health & Medicine

    News Brief: Stress may break diet willpower

    A new study suggests stress can affect our behavior — and willpower — by making tasty foods look more irresistible.

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  12. Physics

    Scientists Say: Torque

    Some forces pull and some push. This force produces turning or twisting.

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