News

  1. 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
  2. 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
  3. Health & Medicine

    No fear

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

    By Laura Sanders
  4. Earth

    Climate action could save polar bears

    Cutting fossil fuel emissions soon would retain enough sea ice habitat for threatened species, scientists say.