The out of Africa theory is a theory that scientists have put together from their facts. It is believed that the first homosapiens were in East Africa between 100,000 and 200,000 years ago but these early humans died out. Around 60,000 years ago a little group of people (homosapiens) left Africa and started expanding to the whole of the earth. Although there are facts that suggest that the early humans did leave Africa first. The Out of Africa theory believes that the first humans died out and the homosapiens came and colonized the world. They are believed to have used the click language for communication with each other.
The Omos skull was discovered by Richard leaky in 1967. He discovered fragments of bone sticking