For the last hundred years, the development of modern mankind was primarily explained through the so-called "Out of Africa" theory, which claims that the development of humans and apes happened primarily in Africa. But in recent years, bone finds much older than the earliest finds from Africa have challenged that belief.

For the last hundred years, the development of modern mankind was primarily explained through the so-called "Out of Africa" theory, which claims that the development of humans and apes happened primarily in Africa. But in recent years, bone finds much older than the earliest finds from Africa have challenged that belief.