News

  1. Health & Medicine

    Good Exposure: Contact with babies might lessen MS risk

    People who grow up with younger siblings close to them in age are less likely to develop multiple sclerosis later in life than are people without such siblings.

    By Nathan Seppa
  2. Math

    Sizing Up Complex Webs: Close or far, many networks look the same

    Complex networks, including the World Wide Web, have a common architecture with snowflakes and trees.

    By Erica Klarreich

  3. Lost Sight, Found Sound: Visual cortex sees way to acquiring new duties

    Brain areas that are usually devoted solely to vision can take on new duties following severe or total sight loss.

    By Bruce Bower

  4. Giardia Bares All: Parasite genes reveal long sexual history

    Sexual reproduction started billions of years ago, as soon as life forms that have nuclei and organelles within their cells branched off from their structurally simpler ancestors.