Humans

  1. Tech

    Bad food? New sensors will show with a glow

    Sensors that glow around dangerous germs could be built into packaging to warn people of tainted foods.

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  2. Health & Medicine

    Sore knees may get 3-D printed relief

    Teen researchers are looking into ways to use 3-D printers to make materials to replace, support or treat tissues of the body.

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  3. Environment

    Restaurant diners may ingest extra pollutants

    People who dine out have higher levels of certain potentially harmful pollutants in their bodies than do people who eat home-cooked meals, new data show.

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  4. Health & Medicine

    Scientists Say: Ultrasound

    Ultrasound is a word used to describe any sounds higher than a person can hear. It’s also a technique used to see inside the body.

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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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