Chris Wilson for Time has a fun piece up that tests how well you can draw the states. The quiz asks you to draw the states, and you get a grade for each sketch. Your sketched states are then placed geographically on a map so you can see how horrible you are.
Test how well you can draw the states
People get married at various ages, but there are definite trends that vary across demographic groups. What do these trends look like?
Life expectancy changes
The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.