Many of my mornings this summer have been spent meticulously folding origami creatures of all sorts — paper cranes, double hearts, goldfish, dragons, baby shoes, hats and so on. This pursuit has ...

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.