The Weirdest and Most Wonderful Alternate Dimensions in the Marvel and DC Universes

Comics are filled with alternate realities—that’s why they call them multiverses, after all. While strange, most of these worlds are just variations of the primary universe, where Superman landed in Russia instead of America, or the radioactive spider bit Gwen Stacy, and so on. But underneath all those realities lies…

A mathematical bug shows us why the 3D universe carries the possibility of despair. Really.

George Polya was a mathematician. Like most mathematicians, he was concerned with very strange concepts. One of them was the idea of "random walks," or the completely random path a strolling insect might take. He took this concept and expanded it until he could prove the chances of getting hopelessly, unendingly lost…