Why Are Most People Right Handed?
Are you a “southpaw?” If so, you’re in a minority; only about 10% of the human population is left handed.
(Much smaller minorities are ambidextrous, capable of using both hands equally well, and mixed-handed, meaning you find some tasks easier with the left hand and others with the right).
All mammals show side preferences. We have a good model for this in an animal that we use…