link

Here are external links to some problems solved by data science: 
A/B Testing at Obama's 2012 Campaign: 
http://kylerush.net/blog/optimization-at-the-obama-campaign-ab-testing/ 
Netflix Prize: 
http://en.wikipedia.org/wiki/Netflix_Prize 
Facebook Friends You May Know: 
http://www.whatisedgerank.com/ 
Facebook Deep Learning: 
http://www.wired.com/wiredenterprise/2013/10/sentiment-analysis-deep-learning/

Here is the link to pandas documentation:

Pandas docs

Here's also an excellent series of tutorials as IPython notebooks here: Pandas Tutorial

(thank you to Dominique Luna for sharing!)