Life

  1. Animals

    Python Hearts Pump Up

    A Burmese python can increase the size of its heart by 40 percent in just two days.

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  2. Climate

    Arctic algae show climate change

    Sediment from Arctic lakes shows that much of the Northern Hemisphere has been warming for many decades.

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  3. Animals

    Sleep Affects a Bird’s Singing

    Young birds sing badly in the morning but do much better later in the day.

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  4. Animals

    News Detective: Meeting an owl

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  5. Animals

    Stunts for High-Diving Ants

    When some tree-dwelling ants fall out of their homes, they often control the direction of their tumbles.

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  6. Animals

    Insects Take a Breather

    Many types of insects appear to control how much oxygen they take in.

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  7. Plants

    How a Venus Flytrap Snaps Shut

    A Venus flytrap stores energy to allow its hinged leaves to snap shut quickly.

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  8. Fossils

    Dino takeout for mammals

    Ancient mammals dined on young dinosaurs.

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  9. Animals

    Tool use comes naturally to crows

    Certain crows appear to be born with an instinct to make and use tools.

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  10. Animals

    Geckos’ Sticky Feet Clean Themselves

    Tiny hairs on gecko toes can stay nearly dirtfree, helping the lizards cling to ceilings.

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  11. Animals

    A fallout feast for crabs

    Crabs can take advantage of hot, toxic plumes from undersea vents to feed on poisoned plankton.

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  12. Animals

    Blotchy face, big-time wasp

    If paper wasps pretend to be something they're not, their peers get angry.

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