News

  1. Chemistry

    Mini Motor: Synthetic molecule yields nanoscale rotor

    Scientists have built a tiny rotor out of a synthesized molecule that rotates in the presence of an electric field.

    By Alexandra Goho

  2. Brain Gain: Odd RNA converts stem cells into neurons

    An unusual strand of RNA guides stem cells to transform into neurons.

    By John Travis
  3. Astronomy

    Planetoid on the Fringe: Solar system record breaker

    Lurking more than 13 billion kilometers from Earth in the coldest, remotest part of the solar system, a newly discovered body is the most distant object ever found to orbit the sun and the largest denizen of the solar system discovered since Pluto.

    By Ron Cowen

  4. Movie sparks group brain responses

    People exhibit a surprising amount of brain activity in common while viewing a dramatic movie, a brain-imaging study finds.