How Homo sapiens spread from Africa to dominate the world is a story that once looked simple, but is getting rapidly more complex.

智人如何从非洲扩散并主宰世界的，这个故事看似简单，但正在变得更加复杂。

Despite their communication and craftsmanship abilities, the laws of natural selection prove that Homo sapiens are superior.

尽管他们具有沟通和工艺能力，但自然选择法则证明智人更优越。

But, the oldest remains of Homo sapiens are more than 200,000 years old, and those fossils look just like us.

但是， 最古老的智人遗骸已经超过 20 万年，而且那些化石看起来就像我们一样。