Proving that two polygons have the same area can be as easy as cutting them up and rearranging the pieces. Gina the geometry student stayed up too late last night doing her homework while watching The ...

Q–I am designing my new kitchen. A friend told me about some mystical triangle that needs to exist between the sink, cooktop and refrigerator. Is this true? My kitchen measures 10 feet, 6 inches by 14 ...

Psychologist Véronique Izard discusses a study that suggests Amazonian villagers with no math schooling are just as equipped to solve basic geometry problems as math-trained adults, and cognitive ...