News

  1. Anthropology

    Drowned land holds clue to first Americans

    A map of a now-flooded region charts the path that Asians may have taken to first reach the Americas.

    By Richard Monastersky
  2. Humans

    Treaty Nears on Gene-Altered Exports

    In an effort to help preserve biodiversity, negotiators from 130 nations crafted rules of conduct for international trade in living, genetically engineered organisms.

    By Janet Raloff
  3. Animals

    Slithering on Air: Flying snakes glide through the treetops

    The paradise tree snake flies by flattening its body and slithering through the air.

    By Kristin Cobb
  4. Health & Medicine

    New Antidote to Botulism: Drug neutralizes toxin in mouse tests

    An experimental drug disables deadly botulism toxin much better than current treatment does.