News

  1. Tech

    Nervy chip may open window into brain

    Researchers have built a simple circuit that blends living neurons with silicon-based transistors.

    By Peter Weiss
  2. Health & Medicine

    Oceans apart, but surgery succeeds

    A French group performed the first transatlantic operation when surgeons in New York controlled a robot in Strasbourg, France, which removed a woman's gall bladder.

    By Damaris Christensen
  3. Health & Medicine

    For a change, infection stymies HIV

    A hepatitis-like virus that causes no known diseases seems to help people stave off the progression of HIV, the AIDS virus.

    By Damaris Christensen
  4. Earth

    Rain of foreign dust fuels red tides

    Soil particles from Africa, raining out from clouds over the Americas, may trigger the first steps that lead to toxic red-tide algal blooms off Florida.