An object that's intrinsically flat, say a piece of paper, can be shaped into a cylinder without stretching or tearing it. The same isn't true, however, for something intrinsically curved like a ...

A few minutes into a 2018 talk at the University of Michigan, Ian Tobasco picked up a large piece of paper and crumpled it into a seemingly disordered ball of chaos. He held it up for the audience to ...

Try these five simple pipe cleaner activities to practice classification, shape identification, counting, patterns, and ...