News

  1. Health & Medicine

    Worms live longer with thioflavin T

    A dye commonly used by Alzheimer’s disease researchers to spot misshapen proteins gives lab nematodes longer lives, scientists say.

    By Daniel Strain
  2. Space

    First shot of Mercury from orbit

    MESSENGER has radioed to Earth a new look at the first rock from the sun.

    By Ron Cowen
  3. Health & Medicine

    New brain cell growth restores function

    Regeneration in the hippocampus helps repair learning and memory after injury, mouse experiments suggest.

    By Tina Hesman Saey
  4. Humans

    Climate meddling dates back 8,000 years

    Cutting down trees put lots of carbon into the atmosphere long before the industrial revolution began.