News

  1. Materials Science

    Carbon supplants silicon in electronic medical sensors

    Prototypes of electronic medical devices constructed from organic materials are noninvasive yet offer similar performance as silicon-based health sensors.

    By Rachel Ehrenberg
  2. Archaeology

    Human ancestors engraved abstract patterns

    Indonesian Homo erectus carved zigzags on a shell at least 430,000 years ago.

    By Bruce Bower
  3. Cosmology

    Most precise snapshot of the universe unveiled

    New results from the Planck satellite provide the most detailed look yet of the makeup of the universe.

    By Christopher Crockett
  4. Life

    Tadpole eye transplant shows new way to grow nerves

    Wiring replacement organs into the body may be as easy as discharging a biological battery, new experiments with tadpoles suggest.