Research suggests that dozens of genes—perhaps up to 40—play a role in shaping handedness. Rather than determining it outright, these genes build the brain in a way that typically favors the right ...

Left-handedness has always been something of a mystery. If you’re among the roughly 10 percent of the population that favors their left hand, you’ve probably heard all kinds of theories about your ...

We used to think that the left brain controlled your thinking and that the right brain controlled your heart. But neuroscientists have learned that it’s a lot more complicated. In 2007, an influential ...

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 ...

About 10.6 percent of people are left-handed. It is still not well understood why some people prefer to write, draw, and perform other activities with their left hand, while most people prefer to use ...