News

  1. Health & Medicine

    A tiny crater on viruses behind the common cold may be their Achilles’ heel

    Researchers have discovered a potential new drug target in a family of viruses responsible for the common cold and more serious infections.

    By Aimee Cunningham
  2. Archaeology

    These knotted cords may hide the first evidence that the Incas collected taxes

    Some knotted string devices point to crop levies imposed by the Incan empire, researchers say. But other khipus continue to evade description.

    By Bruce Bower
  3. Genetics

    Genealogy companies could struggle to keep clients’ data from police

    Police probably won’t stop searching DNA family trees to find crime suspects. New restrictions on database searches could spur more fights over privacy.