Life

  1. Animals

    Nighttime lights can dim a firefly’s flash

    Fireflies blink to attract mates. But when it’s too bright at night, the insects may stay away.

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  2. Life

    Weird mega-worm found to have odd diet

    Giant shipworms have bacteria in their gills that produce food for them. This has made their digestive organs shrink from lack of use.

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  3. Health & Medicine

    A light-filled box could blast bacteria from lab coats

    Doctors can pick up bacteria on their lab coats. A teen has designed a special light-filled box to keep those coats from infecting others with those germs.

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  4. Animals

    Toss and slap — how dolphins disarm a dangerous meal

    Octopus can be a deadly meal, especially if you don’t have hands to cut it up. But dolphins in Australia have figured out how to eat octopus without choking to death.

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  5. Brain

    Analyze This: Sleep patterns vary widely across the world

    Data on four very different groups of people show that sleep patterns vary based on the local environment, the culture and daily schedules.

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  6. Health & Medicine

    This mix turns pink when sunscreen wears thin

    Many people know to put on sunscreen. Remembering to put more on is harder. A teen invented an indicator that glows pink when it’s time to reapply.

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  7. Tech

    Tweaked germs glow to pinpoint buried landmines

    Finding landmines could become much safer with a new technology. It uses genetically modified bacteria that glow under laser light.

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  8. Life

    Scientists Say: Mitochondrion

    Mitochondria are structures inside cells that converts certain chemicals into adenosine triphosphate — a molecule cells use as energy.

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  9. Health & Medicine

    Library books could come with a side of germs

    People transfer microbes to most of the things we touch. Does that extend to our library books? A teen did an experiment to find out.

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  10. Animals

    These killer whales exhale sickening germs

    A group of endangered killer whales are exhaling disease-causing germs. Researchers worry these microbes could make the animals sick.

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  11. Health & Medicine

    Flu fighter found in frog slime

    A protein found in the mucus secretions of an Indian frog can take down a type of flu virus, a new study finds.

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  12. Fossils

    This hominid may have shared Earth with humans

    Newfound fossils in South Africa point to a far more recent age for Homo naledi than had been accepted. If correct, this hominid might have coexisted with humans — even interacted with our species.

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