Does Homo jurisconsultus represent an evolutionary milestone? Check out Mark D. White's semi-tongue in cheek post at Psychology Today, discussing a new paper by Hugo Mercier and Dan Sperber (via The Literary Table). Drs. Mercier and Sperber investigate why humans have developed reasoning ability. What is it for? And here I thought it was just to make the decision among the Kindle, the Nook, and the Kobo that much easier.