The University of Minnesota’s Weisman Art Museum on the Mississippi River has been called a lot of things — my favorite was collapsed grain elevator.

July 13, Wednesday, 1 p.m. — Origami artist Robert J. Lang of Alamo, Calif., will give this year’s MathFest talk on “From Flapping Birds to Space Telescopes: The Modern Science of Origami.” This free ...

Nimble fingers and active imaginations will swoon over this animated origami kit that teaches how to fold birds with flapping wings and frogs that hop. The kid will be able to mak ...