News

  1. Anthropology

    Going Coastal: Sea cave yields ancient signs of modern behavior

    A South African cave yields evidence of complex, symbolic behavior among ancient people about 164,000 years ago, the oldest such indications yet.

    By Bruce Bower
  2. Health & Medicine

    Better Than Pap: Virus test detects cervical cancer

    A new test for human papillomavirus (HPV) detects cervical cancer more reliably than traditional Pap smears.

    By Sarah Williams

  3. Emotional memory

    The action of a stress hormone could be why emotionally charged events form especially vivid and durable memories.

    By Patrick Barry

  4. Bacteria thrive by freeloading

    Mutant bacteria thrive by freeloading off their hard-working kin, but these slackers revert to working normally if they become too numerous.