In the “Work It Out Wombats!” episode “Zadie’s Shell Shuffle,” Mr. E has a colorful shell garden with a beautiful pattern. But Zadie mixes up the shells! She and JunJun have to figure out how to put ...

A new family of origami shapes that unfold like flower petals could be used to design more effective structures in space, like telescopes or solar panels. Origami structures, based on the Japanese ...