The discovery of 2.4-million-year-old stone tools in north Africa have—yet again—altered the human origin story. “The evidence from Algeria has changed [our] earlier view regarding East Africa [as] being the cradle of humankind. Actually, the entire Africa was the cradle of humankind,” Mohamed Sahnouni, an archaeologist at Spain’s National Research Center for Human Evolution, says. Humanity’s distant cousin, the hominin, moved north through (and evolved and developed tools to survive in) North Africa much earlier than researchers first believed. Previously, the oldest stone tools found in the region were 1.8 million years old. Read more at Gizmodo.