As a lousy folder myself, I’ve always been in awe of origami, the ancient, fiendishly complex, Japanese art form that can make a paper crane to remember, and that also, in the right hands, can be used ...

A University of Tartu student has come up with a new proof of the Pythagorean theorem using origami. While folding paper is already used — even in basic school — to demonstrate the well-known ...