Simulating paleoclimates in the Sahara region, a team of researchers from Germany and United Kingdom has found evidence of three major river systems that likely existed in North Africa about 130,000 – 100,000 years ago, but are now largely buried by dune systems in the desert. This image shows Irharhar, Sahabi and Kufrah rivers systems in the Sahara region. The green points show the location of archaeological sites in the region. Image credit:...
