Microbes are known to be able to thrive in extreme environments, from inside fiery volcanoes to down on the bottom of the ocean. Now scientists have found a surprising number of them living in storm clouds tens of thousands of feet above the Earth. And those airborne microbes could play a role in global climate.
The uprisings of the Arab Spring unleashed a new political force in the region — Salafis, ultraconservative Muslims who aspire to a society ruled entirely by a rigid form of Islamic law. Their models are the salaf, or ancestors, referring to the earliest Muslims who lived during the lifetime of the Prophet Muhammad.
Over the past six months, the headlines from Aleppo, Syria, have been horrifying. As the conflict between rebel forces and the government continues, the city has been overrun by tanks and artillery, and assaulted by shots, explosions and fires.
But Aleppo's present belies a much richer past. It's Syria's largest city, and one of the world's oldest continually inhabited urban areas. Over the centuries, it has served as a major crossroads for trade and commerce.
Kentucky is known for horse racing, bourbon and college basketball. And if a couple of creative advertising professionals have any say in the matter, the Bluegrass State will be world renowned for something else.
They want the state to replace its current slogan, Unbridled Spirit, with a new one — Kentucky Kicks Ass.
Gold mines are reopening in California, some dating all the way back to the Gold Rush. Soaring gold prices are drawing mining companies back into the Sierra Nevada foothills. But some communities fear the effect on local environments.
Dan Boitano, a fifth-generation miner, has been working as a tour guide in the Golden State's historic gold country. His family has been around since the Gold Rush.
Up until a few years ago, he was still guiding tours for visitors.