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Mother Nature Network

09

May

A day in the life of the human hand This hard-working extremity, which allows us to manipulate everything around us, is all-too-often overlooked.

A day in the life of the human hand

This hard-working extremity, which allows us to manipulate everything around us, is all-too-often overlooked.

1 month ago Short URL 85 notes

health/hands/science/

21

Dec

Human hands evolved for fighting Scientists learned that open hand and clenched fist strikes deliver same force; fists just deal it to smaller surface area.

Human hands evolved for fighting
Scientists learned that open hand and clenched fist strikes deliver same force; fists just deal it to smaller surface area.

5 months ago Short URL 106 notes

science/evolution/hands/fighting/