1. Animals

    Booby brothers and bullies

    Baby brown boobies can be pretty rough and tough in the nest.

  2. Animals

    Better tools for techno crows

    Certain crows can make tools and even refine their designs.

  3. Animals

    Fish nests with pizzazz

    Fish known as three-spined sticklebacks go gaga over decorating their nests.

  4. Animals

    Lucky survival for black cats

    A cat's black color may date back to a mutation that also protected the felines from diseases a long time ago.

  5. Fossils

    Dino-dining dinosaurs

    Some dinosaurs may have actually eaten each other.

  6. Environment

    Cliff snails and rock climbers

    Rock climbers can accidentally wipe out communities of cliff snails.

  7. Plants

    Slower growth, greater warmth

    A shift toward slower-growing trees might make Earth's climate warm up even faster.

  8. Environment

    Less mixing can affect lake’s ecosystem

    Warming a large lake can cut microorganism populations and disturb its food chain.

  9. Environment

    The down side of keeping clean

    Chemicals we use to clean and disinfect could be damaging the environment by killing off algae at the food chain's base.

  10. Brain

    Watching the Brain Learn to Read

    As kids learn to read, the left side of the brain gradually takes over from the right.

  11. Fossils

    Fossil fly from Antarctica

    A tiny fly fossil has turned up about 500 kilometers from the South Pole.

  12. Animals

    Childhood chills give bees six left feet

    If the bees are raised in cold temperatures, their dancing skills seem to go down the drain.