Earth from Space: Iceberg knocks the block off Drygalski Ice Tongue
An enormous iceberg, C-16, rammed into the well-known Drygalski Ice Tongue, a large sheet of glacial ice and snow in the Central Ross Sea in Antarctica, on 30 March 2006, breaking off the tongue's easternmost tip and forming a new iceberg.... ... This animation, comprised of images acquired by Envisat's Advanced Synthetic Aperture Radar (ASAR), shows the iceberg and the ice tongue before and afte...Fungus knocks a frog down but not out, raising questions about amphibian declines
In studying the dramatic recent global decline of frog and salamander populations, researchers increasingly cite emerging diseases as major causes. Among these, one particularly mysterious new pathogen, the chytrid fungus Batrachochytrium dendrobatidis appears to be especially lethal, having been implicated in massive declines and waves of extinction in Central America and Eastern Australia.......