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CrowdScience - Why do we have five digits? - 成人快手 Sounds

CrowdScience - Why do we have five digits? - 成人快手 Sounds

From: CrowdScience

Why do we have five digits?Why do we have five digits?

Available for over a year

A mass extinction event explains why humans have no more than five digits

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Why do we have five digits?
A mass extinction event explains why humans have no more than five digits
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