Uncategorized

  1. 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.

    By
  2. Earth

    Cold and Deep: Antarctica’s Lake Vostok has two big neighbors

    Trapped beneath Antarctica's kilometers-thick ice sheet are two immense bodies of water that may harbor ecosystems that have been isolated for millions of years.

    By
  3. Good for Something: Prion protein maintains stem cells

    The same protein that, in an altered shape, causes mad cow disease maintains the body's cache of blood-producing stem cells.