All Stories

  1. Health & Medicine

    Explainer: What is the vagus?

    The vagus nerve runs from the brain all through the body. It controls many basic functions, including how fast the heart beats.

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  2. Ecosystems

    A robotic fish could help mangroves grow

    Reforested mangroves don’t always grow well. To figure out why, two teens built a robotic mudskipper to measure the mud.

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  3. Computing

    Incognito browsing is not as private as most people think

    You may think you’re going deep undercover when you set your web browser to incognito. But you’d likely be mistaken, a new study finds.

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  4. Brain

    Not all social media sites are equally likely to provoke anxiety

    Most teens are on social media. Could these sites cause anxiety? A teen checks it out — and finds big differences.

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  5. Psychology

    Your window to learn new languages may still be open

    Results from an online grammar quiz suggest that people who start learning a second language at age 10 or 12 can still learn it well.

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  6. Chemistry

    Bioplastics could put some shrimp in your Barbie

    Teen researchers are looking to natural materials like shrimp shells and banana peels to make plastics ecofriendly and biodegradable.

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  7. Science & Society

    Science may help keep a ballerina on her toes

    Ballerinas can go through a pair of shoes every performance. To make her shoes last a little longer, one teen reinforced them with carbon fibers.

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  8. Health & Medicine

    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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  9. Tech

    Scientists Say: Engineering

    Want to build a bridge, clean dirty water, make a new drug or build a machine? You’re going to need an engineer — someone who uses science and math to solve practical problems.

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  10. 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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  11. Chemistry

    Asteroids may have delivered water to early Earth

    Scientists shot mineral pellets at a simulated planet. It showed an impact wouldn’t have boiled off all of an asteroid’s water.

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  12. Animals

    Hunting hidden salamanders with eDNA

    The Japanese clouded salamander is an elusive beast. To find a new population, three teens turned to high-tech methods.

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