#BlackScienceMatters is a series of eight short films produced by University of Illinois students under the leadership of journalism professor Charles "Stretch" Ledford, and brought to a wider audience by Illinois Public Media. 

Guest: John Allen Paulos.

Could pure mathematics help you play the stock market? Today on Focus, we'll examine the numbers behind risk and reward with mathematician and author John Allen Paulos. He'll talk about methods of analysis, common scams, and the efficiency versus rationality of investing.