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Skulls Composite

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Skulls Composite

Koch Hall of Human Origins, National Museum of Natural History

© Chip Clark, Jim DiLoreto & Don Hurlbert, Smithsonian Institution
Diversity of human fossil skulls. (Left to right): Homo sapiens, ~ 4,800 years old; Homo heidelbergensis, ~350,000 years old; Homo rudolfensis, 1.9 million years old.

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