As a girl in Shanghai, China, Nancy Bjorge kept her fingers busy folding tiny paper boats. The shapes signified ingots, she says, and her grandmother pressed her to produce them by the hundreds.

The ingestible origami robot was developed by an international team of researchers from MIT, the University of Sheffield in the UK and the Tokyo Institute of Technology in Japan. The device will be ...

The fourth graders couldn’t take their eyes off their math papers. Sure, they were folding them into foxes instead of solving problems, but with each crease came a level of concentration and ...