NPR's Sacha Pfeiffer plays the puzzle with KAMW listener Daniel Abramson of Albuquerque, N.M, and Weekend Edition ...
Indian Defence Review on MSN
A 29-year-old South Korean mathematician just cracked a geometry puzzle that had gone unsolved since the 1960s
A decades-old geometry puzzle has finally been solved by a young mathematician in South Korea. Hidden behind a simple hallway ...
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