Uncategorized

  1. Health & Medicine

    Cultured cells reverse some eye damage

    Transplants using bioengineered corneal stem cells grown on an amniotic membrane can vastly improve vision in people who are nearly blind because of damaged corneas.

    By Nathan Seppa
  2. Ecosystems

    Ultimate Sea Weed Loose in America

    The unusually invasive strain of seaweed that has been smothering coastal areas of the Mediterranean has shown up in a California lagoon, the first sighting of this ecologically devastating alga in the Americas.

    By Janet Raloff
  3. Humans

    From the February 18, 1933, issue

    OUTWITTING VAMPIRES AND VIPERS When a vampire is a supernatural creature, science laughs at it. But when it is a disease-bearing bat, science sets its disease-fighters to work seeking a way to conquer it.