
Geoffrey B. West: The Universal Laws of Growth and Pace
Long Now
00:00
The Magic Number of Heart Rate
"I should have changed this slide but I kept it because it has some historical and romantic memories for me personally," he says. "It's amazing, with all the historical interest in numbers, you know like three, and seven, and twenty one, thirteen, turns out four is the number." He goes on to explain that life span times heart rate doesn't change with size; every mammal at least does.
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