News

  1. Archaeology

    Pottery points to ‘mother culture’

    The Olmec, a society that more than 3,000 years ago inhabited what is now Mexico's Gulf Coast, acted as a mother culture for communities located hundreds of miles away, according to a chemical analysis of pottery remains and local clays from ancient population sites in the area.

    By Bruce Bower
  2. Earth

    Baking dirt to predict erosion after a fire

    Lab tests suggest that a wide variety of soils exposed to the heat of intense wildfires end up with a similar resistance to erosion, a finding that may help scientists model that process more accurately.

    By Sid Perkins
  3. Health & Medicine

    Cell transplants make gains versus diabetes

    Transplanting insulin-making cells from a single cadaver into people with type 1 diabetes can reverse the disease in some people.