I am left-handed (the poll might have clued you in) but due i guess in the most part for to the world being set up for right-handed people i have always used my right-hand (for just about everything ...

NPR's Ayesha Rascoe speaks with Clyde Francks, a geneticist in the Netherlands, about the latest research into what makes people left or right-handed. If you're left-handed, like me, you know you are ...