News

  1. Health & Medicine

    Newborn head size linked to cancer risk

    Healthy newborns with big heads face an increased risk of brain cancer.

    By Nathan Seppa
  2. 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
  3. 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
  4. 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.