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 ...

The fighting hypothesis is one of the major theories on the evolution of left-handedness. Around the world, about 10.6% of people are left-handers, and the rest are right-handers. Many scientists have ...

Ever wondered why most people favour their right hand, while a smaller group prefers the left? Handedness isn’t just a random choice, it’s a fascinating mix of brain structure, genetics, and early ...