It's certainly not a small island: It's about three times the size of Texas. But on most maps, Greenland looks almost as big as the entire continent of Africa. In fact, it's 14 times smaller than ...

Perhaps even more shocking is that 15% of the world population in 2011, about 1 billion people, lived on under $2 per day. Pew produced a map illustrating the percentage of the population in each ...