Morality

07/12/2014 - Where does our sense of right and wrong come from?  We watch chimps at a primate research center sharing blackberries, observe 3-year-olds fighting over toys, and tour Eastern State Penitentiary--the country's first penitentiary. Plus, a story of land grabbing, indentured servitude, and slumlording in the fourth grade.

http://www.radiolab.org/story/91508-morality/