News

  1. Humans

    Autism care takes biological toll on mothers

    Caring for teens and young adults with autism not only creates intense psychological pressure on mothers but may promote sharply decreased production of a crucial stress hormone, a long-term study suggests.

    By Bruce Bower
  2. Ecosystems

    From sea to squid, thanks to slime

    Scientists have revealed new details about the genes — and the goo — that enable luminescent bacteria to colonize their symbiotic marine partner.

    By Rachel Ehrenberg
  3. Chemistry

    Protein caught in the act

    Researchers have developed a new way to see where the molecules are active.

    By Laura Sanders
  4. Earth

    Unexplained atmospheric chemistry detected

    A field study in China reveals an unusually high and unexplained production of hydroxyl radicals.