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  1. Birds Beware: Several veterinary drugs may kill scavengers

    Scavenging birds worldwide could be at risk of accidental poisoning from carcasses of livestock that farmers had dosed with certain anti-inflammatory drugs.

    By Susan Milius
  2. Astronomy

    New eye on the sun

    The recently launched Hinode spacecraft captured an X-ray portrait of several-million-degree gas in the sun's outer atmosphere.

    By Ron Cowen

  3. Hot, Hot, Hot: Peppers and spiders reach same pain receptor

    The burn of hot peppers and the searing pain of a spider bite could have a common cause.

    By Christen Brownlee
  4. Health & Medicine

    See How They See: Immature cells boost vision in night-blind mice

    Transplanted retinal cells can restore some vision in mice with degenerative eye disease.