Turning Back the Clock on Human Evolution - Issue 101: In Our Nature
▻http://nautil.us/issue/101/in-our-nature/turning-back-the-clock-on-human-evolution
Two hammers, two shovels, four rifles. They carried their own tools. Zeresenay Alemseged, a young and driven Ethiopian fossil hunter, joined by four armed soldiers and a government official, was on a mission to the Afar Depression, a region shaped like a tornado in Ethiopia’s Great Rift Valley. The Afar is bone-dry, scorching hot, and riddled with scorpions and vipers. It is regularly shaken by earthquakes and sinking deeper into the Earth as the converging tectonic plates beneath it pull apart, and molten magma bubbles up through the cracks. When the magma cools, it forms sharp, basaltic blocks. Along the road, the boulders blocked Alemseged’s path. He had to stop the car, lift the boulders, drive further, repeat. Dry riverbeds were smoother, but frequently the tires sank in the fine (...)
