Controversial new study pinpoints where all modern humans arose
A powdery white layer blankets the desiccated landscape of Botswana’s Makgadikgadi pans, one of the world’s largest salt flats. But some 200,000 years ago, this blank canvas would have been painted in the blues and greens of a flourishing wetland. –>> via Pocket https://ift.tt/2JqjIT6