Higher species ...

That would be us. From our friend John Gall via email:

...

The study used a picture-based vocabulary test to estimate the IQ of participating teenagers. Seven years later, the same people were asked about their religious and political beliefs.

People who later admitted to being "not at all religious," and who classified themselves as "very liberal" politically had higher IQ scores as teenagers than those who were "very religious" and "very conservative."

...

Of course they had to use pictures, they were questioning conservatives. Heh ....