News

  1. Animals

    Mysterious neurotoxin may help flatworms kill prey

    Tetrodotoxin, the deadly chemical in pufferfish, could help flatworms transform their earthworm prey into puddles of goo.

    By Beth Mole
  2. Neuroscience

    Busy brain hubs go awry in disorders, study suggests

    Schizophrenia, Alzheimer’s and other brain disorders may occur when the brain’s most active hubs are damaged.

    By Laura Sanders
  3. Life

    HIV hides in growth-promoting genes

    The discovery that HIV can trigger infected cells to divide means scientists may need to rethink strategies for treating the virus that causes AIDS.

    By Tina Hesman Saey
  4. Health & Medicine

    Hidden heart rhythm problem may underlie some strokes

    In two clinical studies, people who had had strokes with no trigger sometimes also had undiagnosed atrial fibrillation.