News

  1. Space

    Stormy weather on Saturn

    Astronomers have for the first time glimpsed lightning storms on Saturn.

    By Ron Cowen
  2. Health & Medicine

    Embryo transfer technique could prevent maternally inherited diseases

    A new technique transplants healthy nuclear DNA of cells carrying mutated mitochondria.

    By Tina Hesman Saey
  3. Health & Medicine

    Insulin pump and computer mated to regulate blood sugar

    A test in type 1 diabetes patients suggests that technology exists to create wearable, self-controlled “artificial pancreas.”

    By Nathan Seppa
  4. Materials Science

    Physicists untangle the geometry of rope

    Equations explain why winding fibers together does the job, no matter what they’re made of.