Editor’s Note: This story was first printed on Jan. 20, 2018. It is reprinted here as part of our year end coverage. Origami paperwork creates delicate sculptures through intricate folds. Each crease ...

Origami: It’s not just art anymore. Engineers are harnessing the Japanese art of paper-folding to build in smarter, more efficient ways. A team of researchers designed a self-folding robot that can ...