Uncategorized

  1. Earth

    No Deep Breathing: Air pollution impedes lung development

    Spending one's childhood in a community with polluted air stalls lung development roughly as much as does having a mother who smokes.

    By Ben Harder
  2. Humans

    Letters from the September 11, 2004, issue of Science News

    Say what? I don’t think anyone should be surprised that squirrels have figured out how to say “nyah, nyah” to rattlesnakes (“Ultrasound alarms by ground squirrels,” SN: 7/3/04, p. 14: Ultrasound alarms by ground squirrels). After all, it’s what they’ve been saying to cats, dogs, and bird-feeder owning humans for years. R. Kelly WagnerAustin, Texas […]

    By Science News
  3. Chemistry

    Meteorites may have delivered phosphorus

    Meteorites may have supplied enough phosphorus to prebiotic Earth to spawn the first signs of life.