News

  1. Health & Medicine

    Test might ascertain who needs appendectomy

    Appendicitis might be diagnosable with a new urine test, an advance that could prevent many unnecessary surgeries.

    By Nathan Seppa
  2. Archaeology

    Ancient granaries preceded the Agricultural Revolution

    Granaries excavated in Jordan indicate that people stored large quantities of wild cereals by about 11,300 years ago, a practice that led to the cultivation of domesticated plants, a new study suggests.

    By Bruce Bower
  3. Tech

    Molecule gears up

    Researchers have made one of the most basic components of a machine out of a snowflake-shaped molecule.

    By Laura Sanders
  4. Physics

    Martian lightning

    The Red Planet’s dust devils charge up particles, providing first direct evidence of this type of electrical discharge on Mars.