Maurits Cornelis Escher – better known as M.C. Escher – is one of the world’s most famous graphic artists. A selection of the 20th century Dutch master’s work is coming to Atlanta for two events, the ...

If that sounds like a new twist on a word problem you aced on a 7th grade math exam, give yourself an A+. The problem is part of new instructional material created to open San Francisco middle school ...