Scientists have discovered sophisticated tools in Kenya that are much older than expected.
Recent research suggests that humankind's origins lay outside of Africa. This is the nature of science: a paradigm that cannot be questioned on a regular basis becomes a dogma.
New paired research papers have pushed back by 100,000 years the time frame in which humans (Homo sapiens) are thought to have lived in Africa.
New research into how early humans spread across the world settles several long-running debates.
Despite science refuting the existence of different human races, people have used "race" throughout history to divide and denigrate certain people while promoting their claims of superiority.