Monty Hall xkcd

Oct 24, 2013

Nice one, xkcd.

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Shifting Incomes for American Jobs

For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.

Where People Run in Major Cities

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The Changing American Diet

See what we ate on an average day, for the past several decades.

Life expectancy changes

The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.