News

  1. Life

    Brain cells know which way you’ll bet

    Activity of nerve cells in a key brain structure reveals how people will bet in a card game.

    By Laura Sanders
  2. Life

    Eggs may be made throughout adulthood

    The discovery of stem cells in human ovaries suggests that women are not born with a lifetime’s supply of gametes.

    By Tina Hesman Saey
  3. Physics

    Loose cable blamed for speedy neutrinos

    In uncovering a technical flaw, physicists now know why an experimental result that couldn’t have been true wasn’t.

    By Devin Powell
  4. Life

    Bird flu less deadly, but more widespread, than official numbers suggest

    The H5N1 virus appears to have infected far more than the 573 officially confirmed victims.