到目前为止，我们普遍承认那些可追溯至190万年前化石是直立人的祖先，它们大多数是“能人”和“卢多尔夫智人”。
Until now, fossils dated to 1.9million years ago - and mostly attributed to Homo habilis and Homo rudolfensis - have been undisputed considered ancestral to Homo erectus.
考古挖掘显示现代智人和尼安德特人用同种方法控制火，并且这种控火方法几乎可以表明他们会烹饪，并且至少20万年前就这样了。
Digs show that both modern humans and Neanderthals controlled fire in a way that almost certainly means they could cook, and did so at least 200, 000 years ago.
晚期智人是在大约20万年前，在非洲某处进化而来的。但是我们这个物种又是怎样遍及世界其他地方的呢？
Modern humans evolved somewhere in Africa roughly 200,000 years ago. But how did our species go on to populate the rest of the globe?
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