News

  1. Earth

    Deep Squeeze: Experiments point to methane in Earth’s mantle

    Although today's fossil fuel reserves reside in Earth's crust, a new study suggests that hydrocarbon fuel might also nestle deep in the mantle, at depths of 100 kilometers or more.

    By Alexandra Goho
  2. Health & Medicine

    Walking Away from Dementia: Moderate exercise protects aging minds

    Two fresh studies strengthen the case that physical activity, including walking at a moderate pace, protects the aging brain from cognitive decline and dementia.

    By Ben Harder

  3. Roma Record: Paths of the Gypsy population’s diasporas

    Tracking genetic mutations has given researchers a tentative picture of the migration patterns of the Roma, or Gypsies, over the last millennium.