A number of puzzles that have appeared in Problematics over the last three-and-a-half years have involved a magician playing tricks on a gullible audience, sometimes with cards, sometimes with matches ...

Billboard's year-end No. 1 hit of 1971 — sang by the late Chuck Negron — was catchy and ebullient, a joybomb when we needed one. By Paul Grein Forever No. 1 is a Billboard series that pays special ...

Ever wonder how much money there is in the world? The answer is complicated, which you might expect, but not because of the difficulty of tallying up all the rather large numbers. Rather, it’s more ...

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