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 ...

We’ve all heard the whispers. Those southpaws among us supposedly have some kind of secret intellectual edge. From Leonardo da Vinci sketching with his left hand to Einstein supposedly jotting down ...

How many people are left-handed? Across the world, one thing about left-handedness is clear: It is less common than right-handedness. Approximately one in 10 people is left-handed. The exact number ...