00451nam a2200085Ia 4500008004100000245003400041300021900075650001300294856005800307170517s9999    xx            000 0 und d 4aThe Day the Earth Nearly Died  a250 million years ago, long before dinosaurs roamed the Earth, the land and oceans teemed with life. This was the Permian, a golden era of biodiversity that was about to come to a crashing end. Within just a few...  xScience.  uhttp://topdocumentaryfilms.com/day-earth-nearly-died/