News

  1. Genetics

    Cancer mutation patterns differ in smokers, nonsmokers

    The DNA of smokers shows more damage than the DNA of nonsmokers who have the same kind of cancer.

    By Rachel Ehrenberg
  2. Climate

    Human CO2 emissions put Arctic on track to be ice-free by 2050

    Sea ice is shrinking by about three square meters for each metric ton of carbon dioxide emitted, new research suggests.

    By Thomas Sumner
  3. Archaeology

    People settled Australia’s rugged interior surprisingly early

    Ancient colonists Down Under crossed the continent not long after arriving around 50,000 years ago.

    By Bruce Bower
  4. Genetics

    Gene gives mice and chipmunks their pinstripes

    A recycled regulator paints on rodents’ light stripes.