News

  1. Earth

    Bugged forests bad for climate

    Trees savaged by pine beetles are slow to recover their ecological function as greenhouse gas sponges.

    By Janet Raloff
  2. Chemistry

    Hornet pigment drives solar cell in lab

    Though far from photosynthetic, an insect's light-harvesting apparatus intrigues scientists.

    By Rachel Ehrenberg
  3. Chemistry

    Twisted rules of chemistry explained

    A theorist uses quantum mechanics to explain why Möbius molecules have different numbers of electrons than standard rings.

    By Marissa Cevallos
  4. Humans

    Google project launches new field of culture study

    An analysis of digitized books probes language change, collective memory and other cultural developments from 1800 to 2000.

    By Bruce Bower
  5. Health & Medicine

    No fear

    A woman who lacks a basic brain structure, the amygdala, couldn’t be frightened no matter how hard researchers tried.