This story appears in the July 2016 issue of National Geographic magazine. If you’ve tangled with a headful of ringlets, crimps, or coils, rest assured: It’s not just you. Even physicists and ...

Meet my sleek hair secret weapon. I’ve spent more money wrangling my curls into straight styles than on DoorDash orders—a.k.a. way too much. While I love embracing my natural texture with hair ...

Following is a transcript of the video. Narrator: If you peel back the layers of Rapunzel's hair in "Tangled," you'll see just how complicated animating 3D hair can be. But back then, Disney had ...