News

  1. Health & Medicine

    Less morphine may be more

    In mice, very low doses of morphine combined with even lower doses of a drug that usually blocks morphine's effect can give greater pain relief than higher doses of morphine alone.

    By Damaris Christensen
  2. Anthropology

    Yanomami inquiry moves forward

    The American Anthropological Association has launched a formal inquiry into the highly publicized allegations of scientific misconduct by anthropologists and others working in South America among the Yanomami Indians.

    By Bruce Bower
  3. Anthropology

    Chimps grasp at social identities

    Researchers contend that neighboring communities of wild chimpanzees develop distinctive styles of mutual grooming to identify fellow group members and foster social solidarity.