News

  1. Nogo makes cord regrowth a no go

    Researchers have identified the gene for a protein that inhibits the regrowth of nerves in the spinal cord.

    By John Travis

  2. Protein may help the eyes tell time

    A human version of melanopsin, originally found in the skin, eyes, and brains of frogs, has been discovered in the inner retina and may be the long-sought photoreceptor for the human biological clock.

    By John Travis
  3. Astronomy

    A chance to point Hubble

    Get out your heavenly wish list: Astronomers working with the Hubble Space Telescope are soliciting suggestions for where to point the orbiting observatory this summer.

    By Ron Cowen
  4. Astronomy

    A possible signal from Polar Lander

    Astronomers may have heard a faint signal from the vanished Mars Polar Lander spacecraft last month but, as of mid-February, have not detected another.