Origami is the ancient Japanese art of paper folding. One uncut square of paper can, in the hands of an origami artist, be folded into a bird, a frog, a sailboat, or a Japanese samurai helmet beetle.

At the National Museum of Mathematics, origami helps bridge the gap between art and math and finds the beauty in both. Faye E. Goldman's origami, center, on view at the National Museum of Mathematics ...