News

  1. Chemistry

    How leaves could monitor pollution

    Trees near high-traffic areas accumulate tiny particles.

    By Sid Perkins
  2. Life

    Estrogen helps ward off belly fat

    Hormone is one reason that men and women carry weight differently

    By Lisa Grossman
  3. Life

    Fossil find sparks debate on primate origins

    A 37-million-year-old jaw suggests the famous fossil Darwinius does not, as had been suggested, fill a gap in human evolution.

    By Bruce Bower
  4. Animals

    Junk food turns rats into addicts

    Bacon, cheesecake and Ho Hos elicit addictive behavior in rats similar to the behavior of rats addicted to heroin.

    By Laura Sanders
  5. Earth

    Johnstown Flood matched volume of Mississippi River

    A modern survey of terrain determines flow rate of the 1889 flood that was one of America's deadliest disasters.