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https://www.cnn.com/2022/08/24/world/bipedalism-walking-7-million-years-scn/index.html
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A 7 million-year-old practice set our ancestors on the course to humanity, new study finds - CNN
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8/24/22 at 5:41pm
Organization
CNN
Authors
Madeline Holcombe
CNN
57 words
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A dig more than 20 years ago uncovered the arm and leg bones of one of our oldest known ancestors. New research shows they provide evidence that our ancestors walked on two feet -- more than 7 million years ago.
Science
Family
leg bones
CNN
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