I love material that so profoundly affect my thinking like this one did (last time was probably being introduced to LessWrong).

I can't thank you enough for linking this.

Glad I could accommodate. His research impacted me pretty profoundly too, quantifying with study a lot of what I'd felt, but been extremely uncertain of. I've since followed him around the net like a puppy consuming everything he puts out.

Since you enjoyed it so much, here are some more of his links:

https://www.ted.com/talks/jonathan_haidt_on_the_moral_mind?l...

https://www.ted.com/talks/jonathan_haidt_humanity_s_stairway...

https://www.ted.com/talks/jonathan_haidt_how_common_threats_...

http://people.stern.nyu.edu/jhaidt/disgustscale.html

And, the one I consider to be the most deeply insightful (and also one upon which a lot of his other research relies):

http://www.moralfoundations.org/