News

  1. Chemistry

    Tricky Transformation: Bubbling gases tighten, then loosen, the grip of novel molecules on grime

    New compounds make oil mix with water, or not, depending simply on which gases are bubbled through the water.

    By Peter Weiss
  2. Anthropology

    Evolution’s DNA Difference: Noncoding gene tied to origin of human brain

    Investigators have discovered a gene that shows signs of having evolved rapidly in people and of having made a substantial contribution to the emergence of a uniquely human brain.

    By Bruce Bower
  3. Earth

    Holy Smoke: Burning incense, candles pollute air in churches

    Incense and candles release substantial quantities of pollutants that may harm health.

    By Ben Harder
  4. Health & Medicine

    Fewer Drugs, Same Outcome: Simpler HIV regimens are effective

    In two studies, AIDS clinicians found that standard three-drug regimens fight HIV as well as four-drug treatments do, and that a single drug might maintain a patient's health once the virus is suppressed.