News

  1. Health & Medicine

    A brain-monitoring device may one day take the guesswork out of anesthesia

    The automated device pairing brain activity and dosing kept two macaques sedated for 125 minutes, raising hopes of precision anesthesia for people.

    By Erin Garcia de Jesús
  2. Animals

    The first embryos from a mammal have now been grown in space

    Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.

    By Saima S. Iqbal
  3. Life

    Crabs left the sea not once, but several times, in their evolution

    A new study is the most comprehensive analysis yet of the evolution of “true crabs.”