"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

A geometry problem over a century old has just found its definitive answer. Mathematicians have confirmed that the solution proposed by Henry Dudeney in 1907 was indeed the most efficient possible.

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HONG KONG, Feb. 19, 2018 /PRNewswire/ -- Euclidea v4.0, the geometric puzzle app that's already made a big splash on Apple devices, is now available for Android. This version of the popular app ...

All the Latest Game Footage and Images from Triz: Sacred Geometry Puzzles Disentangle the color web of mysterious geometric interweaving and discover fascinating hypnotic shapes. Distract from reality ...

Four Cambridge math students in the 1930s wanted to know if you could fill a square with smaller squares, each a different size. They solved it by pretending the squares were electrical resistors.