News

  1. Anthropology

    Seven footprints may be the oldest evidence of humans on the Arabian Peninsula

    In what’s now desert, people and other animals stopped to drink at a lake more than 100,000 years ago, a new study suggests.

    By Bruce Bower
  2. Oceans

    Underwater earthquakes’ sound waves reveal changes in ocean warming

    A new technique uses the echoes of earthquakes in seawater to track the impact of climate change on the oceans.

    By Carolyn Gramling
  3. Health & Medicine

    Blood donations show that the United States is still nowhere near herd immunity

    Testing donated blood for antibodies to the coronavirus highlights that the vast majority of the United States remains susceptible to infection.