Uncategorized

  1. Animals

    Costly Sexiness: All that flash puts birds at extra risk

    Distinctive his-and-her plumages increase the chance that a bird species will go extinct locally, according to an unusually far-ranging study.

    By Susan Milius
  2. Astronomy

    Once Upon a Time in the Cosmos: Using distant galaxies to study the early universe

    Peering far back in time, two teams of astronomers report that they have found some of the universe's earliest galaxies.

    By Ron Cowen
  3. Physics

    Rare Events: Exotic processes probe the heart of matter

    Physicists have for the first time unambiguously detected and measured the rates of certain reactions among protons, neutrons, and simple atomic nuclei.

    By Peter Weiss
  4. Chemistry

    Contacts could dispense drugs

    Novel contact lens materials use nanoparticles to dispense drugs.