News

  1. Health & Medicine

    Green tea takes on poison

    Green tea contains a broad range of compounds that detoxify dioxin.

    By Janet Raloff
  2. Tech

    Microwave mirror hits the spot

    A technique for rebounding and refocusing sound also works for electromagnetic waves, possibly opening new uses ranging from improving cell phone communication to treating illness.

    By Peter Weiss
  3. Health & Medicine

    Americans eat faster, and more

    More and more people are eating at fast-food restaurants, and they down significantly more calories on the days they do.

    By Janet Raloff
  4. Chemistry

    Crystal could generate pure hydrogen fuel

    An organic crystal's unusual molecular-trapping behavior could help drive a new hydrogen economy.