Emma R. Hasson is Scientific American’s Games ace and a Ph.D. candidate in mathematics at the City University of New York ...

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A functioning Gizmo would never lie and call a good Gizmo broken, so if one declares the other to be malfunctioning, they can’t both be good. Either one of the two Gizmos is functioning and correctly ...

Brainteasers are more than casual puzzles as they are structured in such a way that they serve as mental exercises. These puzzles can help stimulate reasoning, focus, and analytical thinking. There ...

This viral math puzzle is a great way to boost your brain power. Try to solve the final equation using logic and attention to ...

Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The book Mathematical Puzzles and ...