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.

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  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.

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  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.

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  4. Chemistry

    Contacts could dispense drugs

    Novel contact lens materials use nanoparticles to dispense drugs.