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.

There's an urban legend that a piece of paper can't be folded in half more than eight times, as one fold makes it double in thickness, a process called exponential growth, according to IFLScience. By ...