News

  1. Life

    A little acid or a tight squeeze can turn a cell stemlike

    Stresses send mouse cells into primordial state capable of making any tissue.

    By Tina Hesman Saey
  2. Neuroscience

    Famous brain surgery patient H.M. retained a chunk of hippocampus

    The patient's amnesia was probably due to the loss of other regions and neural connections.

    By Laura Sanders
  3. Health & Medicine

    Nanopackaging biodegrades after delivering cancer drug

    DNA binding creates potentially nontoxic tumor-targeting structures.

    By Beth Mole
  4. Animals

    Windows may kill up to 988 million birds a year in the United States

    Single-family homes and low-rise buildings do much more damage than skyscrapers.