Uncategorized

  1. Animals

    Cousin Who? Gliding mammals may be primates’ nearest kin

    Two species of small, little-known rain forest mammals may be primates' closest living relatives.

    By Susan Milius
  2. Health & Medicine

    Early Arrival: HIV came from Haiti to United States

    New analysis of 25-year-old blood samples indicates that HIV reached the United States in about 1969, 12 years before AIDS was first formally described.

    By Brian Vastag
  3. Math

    Math on Fire

    A supercomputer model fed by real-time data is beginning to make sense of the seemingly unpredictable movement of wildfires.

    By Julie Rehmeyer
  4. Paleontology

    Meet the old wolves, same as the new wolves

    The dire wolf, an extinct species preserved in abundance at the La Brea tar pits, seems to have had a social structure similar to that of its modern-day relatives.