News

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

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

    By John Travis
  2. 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

  3. 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.

    By Bruce Bower
  4. Health & Medicine

    Ear piercings cause illness, disfigurement

    Piercing the upper-ear cartilage under nonsterile conditions can leave a person vulnerable to a Pseudomonas aeruginosa infection, as happened in Oregon in 2000.