Uncategorized

  1. Physics

    Friction gives snakes a smooth slither

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

    By Rachel Ehrenberg
  2. 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

  3. The iron record of Earth’s oxygen

    Scientists are decoding the geological secrets of banded iron formations.

    By Sid Perkins

  4. No brainer behavior

    Messages, memory, maybe even intelligence — botanists wrangle over how far plants can go.

    By Susan Milius

  5. Think like a scientist

    A class of curious sixth-graders arguing over moist, mucky jars may represent the future of science education.