A 4.4 million-year-old ankle has turned the history of bipedalism and everything we knew about our ancestors upside down.
The origin of human bipedalism, the ability to walk on two legs, is one of the great debates in science today. For decades, scientists have wondered what the last common ancestor we share with us was like. chimpanzees and its characteristics. Now an ankle bone has ended up giving us the key we were looking … Read more
