Of the Internet’s millions of cat videos, a notable portion of them offer “proof” that cats are not solid, but liquid.
Of course, this humorous hypothesis refers to their extreme flexibility that seemingly allows kitties to fit through just about any opening, conform to the shape of any container, and shimmy their way out of most tight squeezes. While cats are indisputably not liquid, they are indeed astonishingly pliable. But how does their physiology allow this superpower?
