News

  1. Humans

    Named medical trials garner extra attention

    Naming a medical trial with an acronym increases the frequency with which other researchers subsequently cite the study.

    By Ben Harder
  2. Chemistry

    Follow the lead

    A new water-soluble, lead-sensing chemical is the first to detect the toxic metal in live cells.

    By Aimee Cunningham
  3. Archaeology

    Ancient rains made Sahara livable

    New evidence indicates that seasonal rainfall more than 7,000 years ago turned Africa's eastern Sahara desert into a savannalike area that attracted an influx of foraging groups.

    By Bruce Bower
  4. Health & Medicine

    Freeing Up the Flow: Clearing neck-artery blockage diminishes signs of depression in elderly

    Propping open a clogged carotid artery may ease symptoms of depression in elderly people.