For anyone who can still proudly recall one factoid learned in high school biology—that the ability to roll one's tongue is genetic—bad news: You learned it wrong.

Simon Fisher, a geneticist at the Max Planck Institute, Nijmegen, recently pointed out just how persistent (and pervasive) some of these myths are. Let’s go through some of them. Tongue rolling? Not ...

You probably think that if you can't roll your tongue, it's because of genetics -- but that's not true. Previous studies say that between 65 and 81 percent of people can roll their tongue and that ...

Many biology textbooks say the ability to roll your tongue into a tube is determined by a single gene you inherit from your parents. Wrong. The idea of a dominant "tongue-rolling" gene was ...

The only explanation is that tongue rolling is not controlled by simple genetics as everyone first thought. Further studies even found that about 10 percent of those people who can’t roll their ...

Take tongue-rolling, the ability to curl up the left and right edges of the tongue to make kind of a sausagey tube. It’s an archetypal genetics class example of a simply inherited, ...

You probably think that if you can't roll your tongue, it's because of genetics -- but that's not true. Previous studies say that between 65 and 81 percent of people can roll their tongue and that the ...

You probably think that if you can't roll your tongue, it's because of genetics -- but that's not true. Previous studies say that between 65 and 81 percent of people can roll their tongue and that the ...

You probably think that if you can't roll your tongue, it's because of genetics -- but that's not true. Previous studies say that between 65 and 81 percent of people can roll their tongue and that the ...

You probably think that if you can't roll your tongue, it's because of genetics -- but that's not true. Previous studies say that between 65 and 81 percent of people can roll their tongue and that the ...

You probably think that if you can't roll your tongue, it's because of genetics -- but that's not true. Previous studies say that between 65 and 81 percent of people can roll their tongue and that ...