News

  1. Life

    Genes separate Africa’s elephant herds

    Genetic work reveals forest and savanna pachyderms as distinct species.

    By Tina Hesman Saey
  2. Humans

    Periodic table gets some flex

    IUPAC committee replaces fuzzy atomic weights with more accurate ranges

    By Rachel Ehrenberg
  3. Space

    Space rock surprise

    Meteorite analysis suggests it may be possible to make amino acids in the absence of water, boosting the chances of finding life elsewhere in the universe.

    By Ron Cowen
  4. Life

    Gene genesis

    About a quarter of present-day life's DNA blueprint had been sketched out by 2.8 billion years ago, a new analysis finds.

    By Tina Hesman Saey
  5. Animals

    Female chimps play with ‘dolls’

    Youngsters mimic mothering by cradling sticks, reigniting debate over sex differences in toy choices.