"If It Makes You Puke, You Must Rebuke"
Another interesting Sapolsky video -- one that gets into the shared brain action on moral and physical disgust:

"If it makes you puke, you must rebuke." Robert Sapolsky: Is Moral Disgust Just Bad Evolution? https://t.co/vFq8pn9AUL

— Jonathan Haidt (@JonHaidt) June 8, 2017