All Stories

  1. Environment

    Local glacier could be gone in a decade, young scientist finds

    A teen calculated the volume of a glacier by drilling into it with jets of steam — then used that to estimate how long before all its ice will be gone.

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  2. Computing

    Will this smartphone app become your exercise coach?

    When one teen couldn’t go to the gym, she invented an app to bring her gymnastics coach to her home. She succeeded and won a major award for it.

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  3. Tech

    No animal died to make this steak

    The ribeye steak is the first of its kind, and the latest in a growing list of meats printed with a 3-D bioprinter instead of being harvested from an animal.

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  4. Tech

    New robots can clean virus-laden surfaces so people won’t have to

    Smart and nimble cleaning robots will soon help disinfect spaces. They twist and bend to hit hard-to-reach spaces with UV light or cleansing sprays.

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  5. Genetics

    Europe’s ancient humans often hooked up with Neandertals

    DNA from ancient bones shows humans and Neandertals were regularly mixing genes by about 45,000 years ago.

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  6. Earth

    Here’s how lightning may help clean the air

    Airplane observations show that storm clouds can generate huge quantities of air-cleansing chemicals known as oxidants.

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  7. Ecosystems

    Analyze This: Invasive species cost the world billions each year

    A new study estimates that invasive species have cost the world more than $1 trillion since 1970. That’s almost certainly an underestimate.

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  8. Materials Science

    New device gets power from 5G signals grabbed from the air

    A new way to harvest electricity relies on a tiny array of antennas and a lens. Together, they collect and focus 5G signals coming from any direction.

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  9. Chemistry

    Scientists Say: Metal

    Metals are substances that can be elements, alloys or compounds. They all conduct heat and electricity and can be formed into different shapes.

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  10. Physics

    Why big nuts always rise to the top

    X-rays scans of a box of mixed nuts now reveal why large Brazil nuts rise to the top.

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  11. Fossils

    Rhinos, camels and bone-crushing dogs once roamed Nebraska

    Scientists digging into the remnants of an ancient watering hole in Nebraska discovered evidence of an Africa-like savanna, complete with rhinos.

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  12. Life

    These rabbits can’t hop. A gene defect makes them do handstands

    Mutations in a gene that helps nerve cells work properly rob rabbits of their ability to hop. Instead, the animals use their front paws to move.

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