News

  1. Animals

    Hawk skin sends UV signal

    The patch of skin above a hawk's beak looks orange-yellow to us, but to another hawk, it may broadcast ultraviolet sex appeal.

    By Susan Milius
  2. Animals

    Bird-Safe Rx: Alternative drug won’t kill India’s vultures

    Researchers have found an alternative to the livestock drug that has accidentally poisoned a majority of the vultures in India and neighboring countries.

    By Susan Milius
  3. Health & Medicine

    Protecting People from a Terrifying Toxin: Vaccine stimulates immune response against ricin

    In its first test in people, a vaccine against the toxin ricin appears safe and generates antibodies that are expected to be protective against the potential bioterrorism agent.