1. Animals

    Stunts for High-Diving Ants

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

  2. Animals

    Insects Take a Breather

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

  3. Animals

    Tool use comes naturally to crows

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

  4. Animals

    Geckos’ Sticky Feet Clean Themselves

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

  5. Animals

    A fallout feast for crabs

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

  6. Animals

    Blotchy face, big-time wasp

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

  7. Animals

    Gecko night vision

    Certain geckos can tell colors apart even in dim moonlight.

  8. Animals

    Toxic Birds May Get Poison from Beetles

    Eating certain beetles may make the skin and feathers of some birds poisonous.

  9. Animals

    Growing up in dangerous waters

    Wild guppies that live in dangerous places don't live fast and die young as scientists previously thought.

  10. Brain

    Fruit fly brain has two clocks

    Fruit flies have not one, but two built-in clocks to regulate daily activity.

  11. Animals

    Wintering apart, returning together

    Birds that fly off to different places in winter can still manage to return home at the same time in spring.

  12. Genetics

    Gene sleuths track down ivory sources

    DNA testing of a tusk's ivory can help identify where the elephant came from.