A longstanding mystery surrounding the Vitruvian man – yes, that Vitruvian man – has a new solution. The weird part? It comes from inside your mouth. The Renaissance man You know the Vitruvian Man. He ...

Secrets of the Surface. Special | 56m 46s Video has Closed Captions | CC. Examine the life of the first woman and the first Iranian to receive the Fields Medal. Aired 02/17/2022 | Expires 02/26 ...

As it rotates, the needle then covers the surface of a circle. On supporting science journalism. If you're enjoying this article, consider supporting our award-winning journalism by subscribing.