Sen. John Kerry turned up the heat on Iraq today, telling an audience in Pittsburgh that the insurgent stronghold known as the Sunni Triangle had expanded and should now rightfully be called the ...

Napoleon’s theorem states that if you erect equilateral triangles on the sides of an arbitrary triangle, the centers of those three equilateral triangles will form an equilateral triangle, too. In ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This hinged dissection has two ...

81.3 x 80.7 cm. (32 x 31.8 in.) ...

Perhaps you've heard of the inverted pyramid. This elderly news-story construction, which puts the most boring/trivial details at the bottom, is a relic of newspaper writing that needed to be cut ...