Humans

  1. Health & Medicine

    Scientists discover how norovirus hijacks the gut

    Noroviruses make people vomit, but scientists didn’t actually know why. It now turns out that those viruses cause their misery by attacking special “tuft” cells in the gut.

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  2. Genetics

    Your DNA is an open book — but can’t yet be fully read

    There are many companies that offer to read your DNA. But be prepared: They cannot yet fulfill all those promises you read in their ads.

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  3. Health & Medicine

    How many ants is the best number of ants? More than one, fewer than 100

    How many ants does it take to make the best decision? This teen found that four to six is just right.

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  4. Psychology

    Teen fights fake news, one newsfeed at a time

    How do we get rid of misleading news? One teen found that warning signs might help, but the most effective option, to him, looks too much like censorship.

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  5. Health & Medicine

    Drug-detection system could help partygoers protect themselves

    Fed up with people getting unwittingly drugged at parties, a teen designed a special bracelet. It can alert drinkers to the presence of certain hidden drugs.

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  6. Health & Medicine

    Owww! World’s hottest chili leads to days of severe headaches

    A man ate one of the hottest peppers in the world. About a minute later, his head began pounding. See why they didn’t permanently disappear for days!

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  7. Health & Medicine

    Science-fair finding allows girl to sample a croissant

    Some supplements claim they can help people with celiac disease, who cannot digest gluten. But do the pills work? One teen used science to find out.

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  8. Health & Medicine

    Which bacteria hang out in belly buttons? Here’s a who’s who

    Bacteria are everywhere — even in our belly buttons. One teen at Intel ISEF decided to find out what types people were harboring in their navels.

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  9. Health & Medicine

    Inked mice hint at how tattoos live on

    Tattooed mice challenge our current understanding of how tattoos stay in humans.

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  10. Health & Medicine

    Obesity makes taste buds disappear — in mice, anyway

    Mice that gained excessive weight on a high-fat diet also lost one in four taste buds.

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  11. Health & Medicine

    Scientists Say: Nocturnal and diurnal

    Nocturnal animals are active at night. Diurnal animals live it up during the day.

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  12. Earth

    Dirty air can harm your brain and stress the body

    New research shows that polluted air can mess with the bodies — including the brains — of even healthy kids and teens.

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