Apr 06, 2016 by
About 10% of the world’s population is left-handed. But why are there lefties? And why are there so few of them? Watch below to find out.
https://youtube.com/watch?v=TGLYcYCm2FM%3Frel%3D0%26showinfo%3D0%2520frameborder%3D0%2520allowfullscreen
