October 27, 2011  |   Scientists have identified the cause of a vicious disease devastating the northeastern U.S. bat population. Photo by Jonathan Mays, Wildlife Biologist, Maine Department of Inland Fisheries and Wildlife. A fungus known as Geomyces destructans is indeed responsible for the...

August 24, 2011  |   Traditional passenger boats known as 'avisos' sit on the dried bed of the Negro river, 120 km from Manaus, in northern Brazil on October 22, 2010. Due to the El Nino climate phenomenon, the river was almost the lowest...