Paleoanthropologists have discovered 1.5-million-year-old footprints of two completely different species of hominins — Homo erectus and Paranthropus boisei — at a same locality near Lake Turkana in Kenya. A 3D computerized model of the surface of the area near Lake Turkana in Kenya shows fossil footprints of Paranthropus boisei (vertical footprints) with separate footprints of Homo erectus forming a perpendicular path. Image credit: Kevin...
