MPH Student Lakshman Balaji recently produced this post about life expectancies across the world.

Life expectancies across the world: 

Life expectancies have been increasing globally for the past few decades. Wouldn’t it be cool to visualize this change happening right before our eyes using data science and solid data? In this post, learn how to do exactly that using R and the friendly numbers provided by the World Bank!

http://www.rpubs.com/Lakshman/483882