Scientists Say Humans Were Made to Run Two scientists pose a new evolutionary idea: We run, therefore we are. They contend that humans developed the way they did in order to run long distances. NPR's Christopher Joyce reports.
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Scientists Say Humans Were Made to Run

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Scientists Say Humans Were Made to Run

Scientists Say Humans Were Made to Run

Scientists Say Humans Were Made to Run

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  • <iframe src="https://www.npr.org/player/embed/4175155/4175156" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Two scientists pose a new evolutionary idea: We run, therefore we are. They contend that humans developed the way they did in order to run long distances. NPR's Christopher Joyce reports.