Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsLife Expectancy in the U.S. Populationhttp://demonstrations.wolfram.com/LifeExpectancyInTheUSPopulation/]]>http://demonstrations.wolfram.com/LifeExpectancyInTheUSPopulation/