Uncategorized

  1. Archaeology

    Mount Vesuvius may have suffocated, not vaporized, some victims

    A new study suggests people living near Pompeii who hid in stone boathouses died a slower death when the volcano erupted in A.D. 79.

    By
  2. Humans

    Stress turns hair gray by triggering the body’s fight-or-flight response

    A study in mice finds stress responses deplete cells that give hair its pigment, making the strand white.

    By
  3. 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
  4. 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.