6-Million-Year-Old Ape's Ear Suggests We Learned to Walk Upright in 3 Steps

Illustration of ancient apes moving about through trees on two limbs, four limbs and using their arms.We're kind of odd.

https://www.sciencealert.com/6-million-year-old-apes-ear-suggests-we-learned-to-walk-upright-in-3-steps

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