News

  1. Science & Society

    Math targets cities’ essence

    New formula relates city size to infrastructure, productivity.

    By Rachel Ehrenberg
  2. Tech

    Twisted light transmits more data

    Spiral beams allow multiple information streams in one cable.

    By Andrew Grant
  3. Life

    Ancient horse’s DNA fills in picture of equine evolution

    An entire genome compiled from a 700,000-year-old bone yields new information about equine history.

    By Tina Hesman Saey
  4. Animals

    Lemurs’ group size predicts social intelligence

    Primates that live with many others know not to steal food when someone is watching.

    By Cristy Gelling
  5. Humans

    Hard throwers evolved a long time ago

    Baseball hurlers provide clues to the ancient roots of bodies that can heave objects really fast.