News

  1. Health & Medicine

    Stem cells, show your face

    As researchers develop ways of reprogramming adult cells, such as skin cells, to have the same flexibility as embryonic stem cells, this new test shows that the reprogrammed stem cells are truly capable of becoming any cell in the body.

    By Patrick Barry
  2. Life

    Bisexual cockroach dads

    Male hissing roaches with flexible tastes sire more young.

    By Susan Milius
  3. Chemistry

    Turning CO2 into chalk and sand

    Removing carbon dioxide from smokestacks and storing it permanently is one of the possible solutions to global warming, but remains expensive to do. A new technique could make carbon sequestration economical on a large scale, while producing useful materials on the side.