Sunlight shapes our evolution — and may explain why some people have curly hair

Light helps explains the evolution of our skin color, why some of us have curly hair, and the size of our eyes. And light still shapes us today.

Sunlight shapes our evolution — and may explain why some people have curly hair






Light helps explains the evolution of our skin color, why some of us have curly hair, and the size of our eyes. And light still shapes us today.

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