Valley Fever Blowing on a Hotter Wind
Friday, May 1, 2009 - 00:15
in Astronomy & Space
It's high noon, and the 112–degree summer heat--up from a decade ago--stalks Arizona's Sonoran Desert. By late afternoon, dark clouds threaten, and monsoon winds beat the earth into a mass of swirling sand. Thick walls of surface soil blind drivers on the Interstate. [More]