Research team from California Institute of Technology (Caltech) and the University of Cambridge has explained the science behind the loud, rumbling "booming" or short "burping" sounds produced by sand avalanches from dune faces in Death Valley…
Australia’s major cities are all coastal. Confirmed sea level rises, combined with ongoing severe coastal erosion, have been worrying people for the last decade. It’s now looking like the famous Australian beachside lifestyle is riding on the tides.The problem
Heavy rains continued falling throughout parts of southern Africa in mid- and late March 2011. The United Nations Office for the Coordination of Humanitarian Affairs (OCHA) described flood-affected districts extending from Angola and Mozambique southward to South
