News

  1. Anthropology

    Contested evidence pushes Ardi out of the woods

    A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests.

    By Bruce Bower
  2. Ecosystems

    Honeybee death mystery deepens

    Government scientists link colony collapse disorder to mix of fungal and viral infections.

    By Eva Emerson
  3. Health & Medicine

    Shark cartilage doesn’t appear to help lung cancer

    Patients taking an extract show no improvement.

    By Rachel Ehrenberg
  4. Health & Medicine

    Tiny blood vessels expel clots by force

    A study in mice uncovers a new way that capillaries keep the flow going.

    By Laura Sanders
  5. Paleontology

    Octopus origins

    After examining more than 90 new specimens of Nectocaris pteryx, paleontologists put it near the root of the cephalopod evolutionary tree.