Cyprus Mail
Environment

How humans became (mostly) right-handed

Why are 70-95 per cent of the human species right-handed?

After all, we know of no other placental mammal that prefers one side of the body so consistently – not even our closest primate relatives. Furthermore – no human population of left-hand dominance has never been recorded.

One answer is that right-handed-ness may have deep evolutionary roots in our lineage, after we diverged from the chimpanzee. However, life as a rarer ‘leftie’ does offer some unexpected advantages of its own…

View the original video here.

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