Roko Belic, the director of the movie Happy, shares what he learned about the fundamental elements of happiness while making the film.

Behavioral economist Dan Ariely explains why we think black pearls are more valuable than white pearls.

In case you missed it, here’s the clip of Stephen Post, director of the Center for Medical Humanities, Compassionate Care, and Bioethics at Stony Brook University, on The Daily Show last week, interviewed about the two candidates for Connecticut Senate who together decided to run a civil and respectful campaign.