News

  1. Health & Medicine

    CRISPR-edited immune cells for fighting cancer passed a safety test

    Immune cells engineered with CRISPR to fight cancer made some errors, but caused no serious side effects in participants of a small clinical trial.

    By Tina Hesman Saey
  2. Neuroscience

    Brain cells called microglia eat away mice’s memories

    Immune cells that eliminate connections between nerve cells may be one way that the brain forgets.

    By Laura Sanders
  3. Archaeology

    An ancient skeleton from an underwater Mexican cave sheds light on early Americans

    A nearly 10,000-year-old skeleton discovered in a submerged Mexican cave provides more clues to how and when people settled the Americas.

    By Helen Thompson
  4. Animals

    Beaked whales may evade killer whales by silently diving in sync

    To slip past predators, beaked whales appear to synchronize their deep dives, staying silent while not hunting and ascending far from where they dove.