Uncategorized

  1. Humans

    From the September 4, 1937, issue

    Growling grizzlies star at Yellowstone, radioactive dating puts Earth's age at less than 3 billion years, and a suggestion that overanxious parents can turn their children into stutterers.

    By Science News
  2. Earth

    How Green Are Your Travels?

    This website offers a rough gauge of the carbon-dioxide emissions associated with flying around the country. Just plug in a starting point and destination and it gives you a round-trip estimate of the greenhouse-gas “footprint” of your travel. The goal is to encourage visitors to buy carbon-offsets to cover the greenhouse-gas cost of their treks. […]

    By Science News
  3. Earth

    Laser printers can dirty the air

    Some laser printers emit substantial amounts of potentially hazardous nanoscale particles.