News

  1. Earth

    Bad for Baby: New risks found for plastic constituent

    Early exposure to bisphenol A, a building block of polycarbonate plastics, can trigger a variety of later health problems.

    By Janet Raloff
  2. Animals

    Ferrets Gone Wild: Reintroduced animals coming back in Wyoming

    A Wyoming population of endangered black-footed ferrets, started from captive-bred animals, has survived difficulties and is doing well.

    By Susan Milius
  3. Health & Medicine

    Skeletal Discovery: Bone cells affect metabolism

    A protein made by bone cells has a surprising influence on energy metabolism, and could have a role in treating diabetes.

    By Patrick Barry
  4. Health & Medicine

    Serotonin lower in shift workers

    Workers who rotate between day and night shifts have less of the brain chemical serotonin than day shift workers do.