here’s the short of it

In fact, 63 different studies between 1928 and 2012 have indicated a negative relationship between religion and intelligence.

Expressed another way, people with a greater faith in science than in biblical dogma score higher on IQ tests than religious believers.

And here’s the rest:

Now be honest for a moment.

What part of this didn’t you already know 

before these scientific studies?

Seriously.

http://www.huffingtonpost.com/2013/08/14/religious-people-less-intelligent-atheists_n_3750096.html

http://clocktowertenants.com/2013/07/blind-leading.html