Life

  1. Life

    Bee genes may drive them to adventure

    Scouting behavior linked to certain molecules in insect brains.

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  2. Life

    Exercise brings on DNA changes

    Workouts and caffeine can turn on genes that make energy-regulating proteins.

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  3. Life

    Sawfish don’t saw

    Spiked snouts whack prey to the bottom, helping the predator better get its mouth around dinner.

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  4. Life

    Fossil pushes back land-animal debut

    Creatures first squished mud through their five toes millions of years earlier than previously believed.

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  5. Physics

    Plants’ reproductive weaponry unfurled

    Botanical tricks include adhesion and bubbles to spread their spores into the environment.

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  6. Plants

    Tree rings’ lack of volcanic signature confuses climate calculations

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  7. Life

    After a breakup, coral embryos live on as clones

    Even modest waves can break apart embryonic corals, but the bits that survive can grow into separate clones.

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  8. Life

    When giant fleas roamed

    Fossils show ancient insects grew as long as 2 centimeters.

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  9. Life

    Pollutants long gone, but disease carries on

    Even without new exposures, various chemicals can impact DNA and cause illness across at least three subsequent generations, rat study finds.

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  10. Anthropology

    Frozen mummy’s genetic blueprints unveiled

    DNA study reveals the 5,300-year-old Iceman had brown eyes, Lyme disease and links to modern-day Corsicans and Sardinians.

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  11. Life

    Sardine fishery may be in peril

    Cool ocean cycle, population slide evoke collapse of Pacific resource in the late 1940s.

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  12. Life

    Brain cells know which way you’ll bet

    Activity of nerve cells in a key brain structure reveals how people will bet in a card game.

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