News

  1. Anthropology

    How ancient, recurring climate changes may have shaped human evolution

    Climate changes drove where Homo species lived over the last 2 million years, with a disputed ancestor giving rise to H. sapiens, a new study claims.

    By Bruce Bower
  2. Agriculture

    More than 57 billion tons of soil have eroded in the U.S. Midwest

    Researchers discovered startling soil erosion rates in the Midwest. Farming has worsened erosion, but no-till practices and cover crops can help.

    By Rachel Crowell
  3. Science & Society

    Ukrainian identity solidified for 30 years. Putin ignored the science

    Social scientists have mapped Ukrainian allegiances shifting from Russia toward Ukraine since the country’s independence from the Soviet Union in 1991.