Frida Kahlo accented her unibrow, while the late Soviet leader Leonard Brezhnev presumably didn’t care about his, and neither of them knew anything about the genetics behind what gave them...

Scientists haven’t agreed on whether blondes indeed have more fun, but at least there is some consensus on what makes their hair blond. 23andMe scientists looking at the biology behind...

Editor’s note: This post has been edited from the original to reflect changes in our product. If you want to stir up trouble, start talking about the role genetics plays...