In terms of words, concepts, ideas, etc.
Well, I don't think it's ever been determined because it's very hard to do a study on it. "Information" is very vague, and the results will fluctuate wildly.\n\nBut people with high intelligence would have a higher capacity to learn.
Roger Waters wrote this on one of his solo albums- I think "The Pros and Cons of Hitchhiking"- I think he is saying that the education in our society sucks- All over the world we are fighting- and always have been - over religion or politics and "what for?"