The hypnotic Celtic knot might not be as complicated as it seems. Fourth-year math major Benjamin Liu, from Northampton, Mass., has broken the Celtic knot into 12 standard segments that can be ...

An alien creature that defends itself through psychoanalysis. Webcomic The Secret Knots collects strange ideas from universes just askew from ours. The Secret Knots, by Juan Santapau, is a rather ...