News

  1. Health & Medicine

    Excess blood sugar could harm cognition

    Chronically high blood sugar levels in elderly people with diabetes seem to contribute to worsened cognitive function, a study shows.

    By Nathan Seppa
  2. Life

    Serotonin turns shy locusts into cereal killers

    Serotonin can turn solitary locusts into swarming biblical-scale crop destroyers.

    By Susan Milius
  3. Health & Medicine

    Parenting shapes genetic risk for drug use

    A three-year study of black teens in rural Georgia finds that involved, supportive parenting powerfully buffers the tendency of some genetically predisposed youngsters to use drugs.

    By Bruce Bower
  4. Health & Medicine

    Fingerprints filter the vibrations fingers feel

    A new robotics study suggests that the ridges select the right frequencies for light touch

    By Laura Sanders
  5. Health & Medicine

    Donating a kidney doesn’t hurt long-term health

    A survey of donors since the 1960s finds survival rates on par with the general population.