In the June Scientific American Azim Shariff of the University of Oregon and Kathleen Vohs of the University of Minnesota explore what would happen to a society that no longer believes in free will (see "The World without Free Will"). Here are several related articles from SA's archives that focus on the biology underlying free will—or the possible lack thereof.

http://www.scientificamerican.com/article/finding-free-will/

http://www.scientificamerican.com/article/free-will-and-the-brain-michael-gazzaniga-interview/

http://www.scientificamerican.com/article/how-free-is-your-will/