News

  1. Earth

    When the Great Lakes were lower

    New archaeological evidence shows signs of prehistoric hunting and other human activities on now-submerged portions of Lake Huron.

    By Sid Perkins
  2. Physics

    Friction gives snakes a smooth slither

    Combination of friction and push propels snakes forward on flat surfaces.

    By Rachel Ehrenberg
  3. Humans

    Children get social with virtual peers

    Life-size 3-D versions of children can draw kids with autism into social encounters and more news from the annual meeting of the Jean Piaget Society in Park City, Utah, June 4-6.

    By Bruce Bower
  4. Humans

    Autism care takes biological toll on mothers

    Caring for teens and young adults with autism not only creates intense psychological pressure on mothers but may promote sharply decreased production of a crucial stress hormone, a long-term study suggests.