Durham, NC - On the cover of the May issue of "The Great Courses" catalogue, which provides college-level video courses for lifelong learners, two of the three featured courses are by Duke University professors.

This month's issue features "Understanding the Mysteries of Human Behavior," taught by Mark Leary, a professor of psychology and neuroscience, and "Understanding Investments," taught by Connel Fullenkamp, a professor of the practice in economics.

Leary's DVD/audio CD collection features 24 30-minute lectures on topics such as what makes you happy; where did your personality come from; why do you have trouble controlling certain behaviors; and what does your self-esteem do.

Fullenkamp's 24 30-minute lectures cover topics such as how to stop worrying and start investing; how investors make money; starting with stocks; and the basics of bonds.

For more information, visit the company's website at http://www.thegreatcourses.com/greatcourses.aspx.