News

  1. Science & Society

    Flu researchers plan to repeat controversial work

    The scientists who made the H5N1 strain transmissible between ferrets intend to do the same with H7N9.

    By Tina Hesman Saey
  2. Animals

    Climate change may bring dramatic behavior shifts

    Shifting temperatures and rainfall are expected to alter animal lifestyles from the poles to the tropics.

    By Susan Milius
  3. Life

    Evolution of mammalian monogamy remains mysterious

    Two large studies reach opposing conclusions about why males stay with females.

    By Cristy Gelling
  4. Physics

    Doppler effect takes a spin

    Light’s twistiness allows researchers to measure rotating object’s speed.

    By Andrew Grant
  5. Humans

    Y chromosome analysis moves Adam closer to Eve

    A pair of genetic studies has pushed back age of men's most recent common ancestor.