Study examines 13,000-year-old nanodiamonds from multiple locations across three continents
Wednesday, August 27, 2014 - 16:02
in Paleontology & Archaeology
Most of North America's megafauna—mastodons, short-faced bears, giant ground sloths, saber-toothed cats and American camels and horses—disappeared close to 13,000 years ago at the end of the Pleistocene period. The cause of this massive extinction has long been debated by scientists who, until recently, could only speculate as to why.