HISTORIANS of mathematics attribute the first use of the cross x as a symbol for multiplication to William Oughtred (“Clavis Mathematicae”, London, 1631). See W. W. R. Ball's “Short Account of the ...

If you've ever flown into Dubai International Airport, you may have seen a group of islands that resemble a miniature map of the world. Floating in the Persian Gulf, around three miles off the coast ...

Learn how changes in fiscal policy, like government spending or tax rates, can multiply economic growth by increasing GDP and triggering consumer spending.

Correspondence to Joseph Michael Northey, Joseph Northey, University of Canberra Research Institute for Sport and Exercise, Building 29, University Drive, Bruce ACT, 2617, Australia; ...