On Oct. 8, 2015, a research team reported the first ancient human genome sequence from Africa. The genome has the potential to provide new clues about how ancient African populations lived and interacted with humans in other parts of the world.

In 2012, a group of researchers found a cave in Ethiopia that held the 4,500-year-old remains of a man, with his head resting on a rock pillow, his hands folded under his face, and stone flake tools surrounding him.