NPR News: 3.3 Million Year Old Fossil Sheds Light On How The Spine Evolved

3.3 Million Year Old Fossil Sheds Light On How The Spine Evolved
It's hard evidence that the type of spinal segmentation and numbering found in modern humans emerged 3.3 million years ago, the scientists say. The remarkable fossil was discovered in Ethiopia.

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at May 24, 2017 at 05:17AM
Health & Science