Culture Magazine

Why We Have Four Limbs and Five Digits on Each

By Bbenzon @bbenzon
20 years ago I published research on why animals have as many limbs and digits as they do. I posited a Limb Law governing # limbs and limb length across a wide swathe of animals.
This also explains why we have ten fingers. And thus why we’re stuck with base 10 numeral systems. pic.twitter.com/A29b1yPECi — Mark Changizi (@MarkChangizi) September 22, 2020

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