[youtube]https://www.youtube.com/watch?v=SxbprYyjyyU
Genius statistician Hans Rosling explains how climate change and population growth will intersect in the next century using legos and buttons. Understanding carbon emissions and the unequal distribution of wealth and poverty is easy after three minutes with one of the most popular TED speakers.















Otis knew before they did.
Professor shares how many years a friendship must last before it'll become lifelong