As the world becomes increasingly urbanized, the number of megacities is growing rapidly. Today there are 37 cities worldwide with populations of greater than 10 million, and 84 with populations…

Philip E. Karp, Peter Ellis, Barjor Mehta |

“Test and punish”? There’s a debate raging in American schools today: how (and how much) should children be tested? The No Child Left Behind (NCLB) Act created a system where all children in all…

Rafael de Hoyos, Peter Holland |