News

  1. Humans

    And Counting . . . : Latest census resets U.S. population clock

    The 2000 census missed a little more than 1 percent of the nation’s population, due in part to a surge of undocumented immigrants to the United States in the late 1990s.

    By Sid Perkins
  2. Archaeology

    Almond Joy, Stone Age Style: Our ancestors had a bash eating wild nuts

    New finds at a 780,000-year-old Israeli site indicate that its ancient residents used stone tools to crack open a variety of hard-shelled nuts that were gathered as a dietary staple.

    By Bruce Bower
  3. Health & Medicine

    Suspicious DNA: Chromosome study homes in on Alzheimer’s disease

    Several human chromosomes now face intensified scrutiny for possibly harboring genes involved in Alzheimer's disease.