Uncategorized

  1. Earth

    Darker days during Arctic summer

    Satellite observations indicate that Arctic regions reflected less sunlight into space in the summer of 2006 than in other recent years, a change that may exacerbate the warming of Earth's climate.

    By
  2. Earth

    Dust Bowl affected midwestern climate

    During the Dust Bowl of the 1930s, immense clouds of airborne soil blocked so much sunlight that much of the Great Plains region was significantly cooler than normal during summer months.

    By
  3. Earth

    Age and gender affect soot’s toxic impact

    Except in young females, small blood vessels in rodents lost the ability to precisely regulate blood flow after exposure to an oily constituent of diesel soot.