Natch

The New York Times: "Humans Were Born to Run, Scientists Say"

Scientists are telling us that many human anatomical adaptations arose because of the need to run long distances. I've heard it suggested that for distances greater than 25 miles, humans are better, more efficient runners than horses.

"Running made us human," suggests one of the scientists.

According to the scientists, big buttocks are an important anatomical adaptation for running. If so, then I'm one supremely adapted runner.
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