So I've been reading the Mating Mind, which describes human evolution in terms of sexual selection (more on that later). Anyway, he emphasizes that humans evolved to devote a significant amount of their thinking to thinking about other people, and not really abstract concepts.
Now, after the death of Anna Nicole Smith, it's not hard to see it in practice. I am constantly amazed at the amount of attention people give to celebrities. There must be something in our head hard wired to be interested in drama. Men are a little different, with them focusing on sports to the same degree that women focus on celebrities.
On the SETI website, there is an interesting article on the decline of science.
There is also an amazing picture of galaxy cluster Abell S7040, 450 million light years away.
If people are incapable of appreciating such things, and can't unless their media forces them too, they won't. So called "oppressed," groups probably can't either. Maybe it's from dysgenics in our society, I don't know.