Uncategorized

  1. Earth

    Fed by human-caused erosion, many river deltas are growing

    Deforestation and river damming are changing the shape of river deltas around the globe.

    By Carolyn Gramling
  2. Genetics

    Ancient kids’ DNA reveals new insights into how Africa was populated

    Four long-dead youngsters from west-central Africa have opened a window on humankind’s far-flung African origins.

    By Bruce Bower
  3. Animals

    Collectors find plenty of bees but far fewer species than in the 1950s

    An analysis of global insect collections points to a major collapse in bee diversity since the 1990s.

    By Yao-Hua Law
  4. Health & Medicine

    The first U.S. case of a new coronavirus has been confirmed

    After confirmation that a new coronavirus is transmissible between humans, U.S.