LINKS: Music courtesy of Jake Chudnow: http://www.soundcloud.com/JakeChudnow Brain Lateralization: http://en.wikipedia.org/wiki/Lateralization_of_brain_function Brain scans showing...
========== Hey, Vsauce.
Michael here.And today, we're going to talk about this.
Just kidding.We're going to talk about this.
Left.What's left?
First of all, 90% of humans, regardless ofculture or language are right-handed.
And we choose a dominant hand before we'veeven left our mothers.
That's right.When a baby inside its mother's womb is seen
sucking its thumb, it is sucking the rightthumb 90% of the time.
Animals do it too.In fact, horses take longer strides with their
right legs, which is the entire reason racetracksare run counterclockwise.
Left-handedness is so rare that across mostcultures there has been a historical stigma
against being left-handed.In fact, the word for somehow who's good at
using both hands is ambidextrous and...