Life

  1. Planets

    Planets with hydrogen skies could harbor life

    Microbes can live in a hydrogen atmosphere. This points to new space worlds that host alien life.

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  2. Animals

    When prey get scarce, these jellies become cannibals

    Invasive comb jellies may feast on their larvae if massive population booms in summer deplete their prey.

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  3. Life

    Scientists Say: Protein

    Proteins are molecules made up of building blocks called amino acids. They play many key roles in the body’s cells and are essential for life.

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  4. Chemistry

    Ancient recipes helped scientists resurrect a long-lost blue hue

    Led by medieval texts, scientists hunted down a plant and used its fruit to make a blue watercolor with mysterious origins.

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  5. Animals

    Traces from nuclear-weapons tests offer clues to whale sharks’ ages

    Traces left by nuclear-bomb testing in the 1950s and ‘60s can help researchers learn how old a whale shark is.

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  6. Animals

    Let’s learn about domestic cats

    Cats rule the internet — and many of our homes. To get here was a journey of many thousands of years.

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  7. Fossils

    The challenge of dinosaur hunting in deep caves

    Spelunkers aren’t the only people to find caves interesting. So do paleontologists. Though getting to work may be harrowing, they find it’s worth it.

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  8. Environment

    Pesticides can have long-term impact on bumblebee learning

    Pesticide-laced nectar and pollen can permanently harm the brains of baby bumblebees.

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  9. Animals

    Minecraft’s big bees don’t exist, but giant insects once did

    Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet.

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  10. Microbes

    Scientists Say: Amoeba

    Amoebas are single-celled microbes that move and eat with shape-shifting bulges that extend from their cells. Some are blobs. Others build a shell.

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  11. Animals

    Mice show their feelings on their faces

    Pleasure, pain, fear and disgust — all can show on a mouse’s face. As computational analyses show, you just need to know what to look for.

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  12. Materials Science

    This ‘living’ concrete slurps up a greenhouse gas

    Microbes help harden a mix of sand and gelatin into a living concrete that could interact with people and the environment in great new ways.

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