News

  1. Earth

    Rodent poop gauges ancient rains

    The size of chinchilla pellets reveals past desert environment.

    By Sid Perkins
  2. Life

    Removing a barrier to regrowing organs

    Depleting proteins that prevent cancer allowed heart cells to regenerate in mouse experiments.

    By Tina Hesman Saey
  3. Life

    Gene licensing stifles R&D

    Making research findings private property can stymie innovation down the road, a new study finds.

    By Rachel Ehrenberg
  4. Humans

    Whiffs of stiffs

    Forensic scientists develop a new way to find where the bodies are buried.

    By Laura Sanders
  5. Health & Medicine

    Brain has emotional sense

    Scientists have found regions that may be involved in storing the sights, smells, and sounds of emotional memories.