"it turns out that most people who consider themselves proficient at digesting number based health information, when called upon, often end up performing quite poorly on problems requiring numeracy." (thanx Johan 4 sharing this link)
Gapminder is a browser-based application which presents international statistics (relating to health, wealth, population etc.) in a highly interactive graph. The aim of Gapminder is to promote a fact-based world view through increased understanding of socio-economic data.