Actually, scientists don't know exactly how lice jumped from gorillas to our human ancestors. They speculate that we may have eaten them… — Ziya Tong Ancestor Copy Share Image
Most of what we know about human evolution comes from these: the fossilized bones of our ancestors. With their help, we've traced… — Ziya Tong Ancestor Copy Share Image
Scientists believe that the invention of clothing in Africa was a key factor in allowing our ancestors to migrate into colder climates… — Ziya Tong Allowing Copy Share Image
