The ability to form your tongue into different shapes isn't something everyone has, and it may actually be a sign of intelligence.

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 ...

In biology classrooms across the world, students learn to roll their tongues. It’s almost a rite of passage, often folded into a lesson about Mendelian genetics. It’s supposed to be a simple ...

Think traits like eye color or tongue-rolling are simple genetics? Think again. From Mendel’s peas to modern DNA science, let ...

Can you roll up the edges of your tongue so that the tongue forms a sort of tube? If you can, you are a subject of interest to Researcher Alfred Henry Sturtevant of California Institute of Technology, ...