This post was updated Sept. 5 at 10:41 a.m. A UCLA study found that societies in which men are more invested in the care of their children show signs of more jealousy in response to infidelity. Read more...
Photo: A study led by Brooke Scelza, a UCLA anthropology professor, found that societies where men are more invested in the care of their children show signs of more jealousy in response to infidelity. (Courtesy of UCLA)






