Oldest Asian Tools Show Early Human Tolerance of Variable Climate

Publication: National Geographic News   Date: September 26, 2001   View Article

When it’s cold outside, modern humans don a sweater to ward off the chill. But how and when early humans began to develop an ability to cope with different climates has been a great puzzle in the study of human evolution. The answer is important because it suggests when early humans were able to migrate out of tropical Africa and settle all corners of the globe.

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