WASHINGTON – Those wondrously intricate tile mosaics that adorn medieval Islamic architecture may cloak a mastery of geometry not matched in the West for hundreds of years. Historians have long ...

Murder, torture, and rape? Halal. Math, social studies, sports, and music? Haram, according to the group which calls itself the Islamic State (formerly ISIS, ISIL, or QSIS, depending on whom you ask).

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Scientists analyze the world’s complexity to identify its underlying universal laws. Mystics immerse themselves in life’s complexity to experience a spiritual unity. And Arab artists from the eighth ...

Intricate decorative tilework found in medieval architecture across the Islamic world appears to exhibit advanced decagonal quasicrystal geometry -- a concept discovered by Western mathematicians and ...