collaborative history at princeton university and knight science journalism fellow at mit and templeton cambridge fellow in science and religion is a graduate of yale university and the author of several books books including his latest republican brain science of why they deny science and reality joins me now in the studio of course so you could be here thanks for joining us. one of the most interesting things throughout my life i've noticed that. i mean all the way back to my dirty hippie days i've noticed that the republicans always seem clean cut and their their house is usually really really neat and the democrat. you know the old west yes people you know. where they have these exactly is there are like a brain wiring explanation for that it's a personality trait you're tapping into is one of the big personality traits that differ liberals from conservatives called conscientiousness and it doesn't mean you know just being ethical it means actually liking order and structure in your life and i think that goes all the way down to sort of being more clean cut versus being sort of. it's interest