Why are some people trustworthy, while others lie, cheat and steal? Part of the answer may reside in a hormone called oxytocin. Claremont Graduate University's Paul Zak talks with WSJ's Gary Rosen about how a "vampire wedding" helped him understand how this chemical works to control trust, empathy and virtue.
The Vampire Diaries season four was a dark time, with Elena losing both her brother and her humanity at one point and all that cure talk. However, this blooper reel from the season proves that at least stars Paul Wesley, Nina Dobrev... Read Post
For his book, The Moral Molecule, Paul J. Zak drew blood from a bride, groom and their parents, before and after the vows, to measure the oxytocin levels: The bride's oxytocin level shot up by 28% after the vows, "and... Read Post