News

  1. Neuroscience

    Boosting estrogen, only in the brain

    Scientists have developed a chemical that transforms into the hormone estrogen in the brain, but not the body, of rats.

    By Sarah Schwartz
  2. Genetics

    Research teams duel over Native American origins

    Genetic link between Australia and the Amazon fuels two interpretations of Native American origins.

    By Tina Hesman Saey
  3. Health & Medicine

    Death by brain-eating amoeba is an inside job

    Immune response to brain-eating amoeba may be the real killer.

    By Laura Sanders
  4. Neuroscience

    Breakdown of Alzheimer’s protein slows with age

    It takes longer to get rid of an Alzheimer’s-associated protein with age.

    By Tina Hesman Saey
  5. Climate

    Carbon dating may soon lead to mismatches

    Carbon released from burning fossil fuels will jeopardize the effectiveness of many carbon dating applications, new research predicts.