News

  1. Life

    Archaeopteryx wore black

    Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.

    By Susan Milius
  2. Earth

    ‘Nonstick’ pollutants may cut efficiency of vaccines in kids

    Antibodies from immunizations are halved among children with the highest exposure levels to common chemicals.

    By Janet Raloff
  3. Health & Medicine

    Social friction tied to inflammation

    Negative interactions with others or stressful competition for another’s attention seem to have risky biological effects on an individual.

    By Nathan Seppa
  4. Health & Medicine

    Turn off, tune in, drop out

    Magic mushrooms reduce blood flow to parts of the brain responsible for sense of self.