Washington's Exploding Manholes Explained? http://ifttt.com/images/no_image_card.png

Researchers who mapped methane concentrations on the streets of the nation's capital found natural gas leaks everywhere, at concentrations of up to 50 times the normal background levels, they reported here last week at a meeting of the American Physical Society. The leaking gas wastes resources, enhances ozone production, and powers the city's infamous exploding manholes.



via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/2Qsw4eXk5T4/