News

  1. Genetics

    Ivory DNA pinpoints poaching hot spots

    Genetic analysis of ivory DNA reveals major poaching hot spots in Africa.

    By Meghan Rosen
  2. Agriculture

    Many of Earth’s groundwater basins run deficits

    Twenty-one of Earth’s 37 largest groundwater basins are rapidly depleting, satellite data show.

    By Thomas Sumner
  3. Anthropology

    Kennewick Man’s DNA links him to present-day Native Americans

    Genetic analysis of Kennewick Man suggests that the ancient Pacific Northwest man was most closely related to modern Native Americans, not Polynesians.

    By Bruce Bower
  4. Health & Medicine

    Curtailing calories on a schedule yields health benefits

    Eating an extreme low-calorie diet that mimics fasting just a few consecutive days a month may yield a bounty of health benefits, research suggests.