News

  1. 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
  2. Humans

    Climate meddling dates back 8,000 years

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

    By Alexandra Witze
  3. Life

    DNA flaws can stack up as cancer grows

    Acute myeloid leukemia progresses by accumulating various mutations, according to an analysis of one man’s disease over time.

    By Laura Sanders
  4. Chemistry

    Japan nuke accident seen from Seattle

    Radioactive particles retrieved in the Pacific Northwest offer clues to events inside the crippled Fukushima Daiichi plant.