Uncategorized

  1. Paleontology

    Flying with Their Legs: Hind feathers made primitive bird nimble

    The earliest-known bird had feathers on its legs that may have provided lift for flight, improving its maneuverability.

    By Julie Rehmeyer
  2. Animals

    Crickets on Mute: Hush falls as killer fly stalks singers

    Within just 5 years, singing has nearly died out among a population of cricket on a Hawaiian island.

    By Susan Milius
  3. Health & Medicine

    UV Blocker: Lotion yields protective tan in fair-skinned mice

    A lotion that stimulates production of the skin pigment melanin induces a deep tan in specially bred laboratory mice.

    By Nathan Seppa
  4. Astronomy

    Enigmatic Eruptions: Gamma-ray bursts lack supernova fireworks

    The most powerful bursts in the universe may have gotten more mysterious.