http://en.wikipedia.org/wiki/Flynn_effect
interesting!
You’d never know it by reading the posts in the LR. 
Just the other day I ran across this interesting, if totally untested, hypothesis for explaining that effect.
http://www.daviddfriedman.com/Miscellaneous/why_getting_smarter.htm
Wow, good idea there.
Now if we can combine C-sections with sterilization of the extremely dumb…
If you haven’t watched “Idiocracy”, you really should.
I can hardly maintain my sanity with my current awareness of idiocracy, if I watch the movie I may die.