Life

  1. Health & Medicine

    Floss delivers flu vaccine to mice needle-free

    The creative solution may one day allow people to vaccinate themselves — no injection needed.

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  2. Physics

    Comb-like wings help the tiniest insects swim through ‘syrupy’ air

    When you're the size of a grain of sand, flying through air is like swimming through a syrup. Bristled wings help the tiniest insects manage this.

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  3. Plants

    Unlock pinecone secrets with this science activity

    Let’s find out how pinecones respond to different temperatures — by mimicking changes in weather from the comfort of our own kitchens!

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  4. Animals

    Save the sharks to save the ocean

    Humans have driven sharks and their cousins to the brink of extinction, but it’s not too late to turn the tide. At stake is the health of the entire ocean.

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  5. Animals

    Explainer: What is a shark?

    These fish have skeletons made of cartilage, not bone — and aren’t nearly as scary as portrayed in the media.

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  6. Materials Science

    Scientists transform pee into a golden opportunity

    By transforming urine into a valuable medical product, scientists hope to change how we view this human waste.

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  7. Animals

    A shark encounter inspired this researcher’s career in marine biology

    Heidy Martinez never wanted to study sharks as a kid. That changed after encountering a white shark in South Africa.

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  8. Ecosystems

    Scientists Say: Transplant

    Transplant means to move something from one place to another. A transplant can involve something as small as a cell or as large as a whole population.

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  9. Plants

    Potatoes and tomatoes share a surprising history

    Today’s potato likely came from a chance cross between an ancient tomato and a spud-less potato-plant lookalike, research shows.

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  10. Animals

    Let’s learn about tardigrades

    These tiny animals can survive drying out, freezing, harsh radiation and other hazards.

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  11. Health & Medicine

    Seeing sick faces revs up our immune system, new data show

    It activates parts of the brain that detect threats and boosts the activity of at least one type of immune cell.

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  12. Plants

    Physics explains how rose petals get their iconic shape

    Scientists thought they knew what was behind rose petals’ geometry. They were wrong.

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