THE EARLIEST MEMBERS of Homo sapiens, or modern humans, evolved in Africa between 120,000 and 100,000 years ago and had darkly pigmented skin adapted to the conditions of UV radiation and heat that existed near the equator.

• 智人（现代人）最早的成员是10~12万年前在非洲演化出来的，他们适应赤道附近的紫外线与炎热条件，已经演化出黑色皮肤。