At one level it's obvious--physics is mathematically difficult, with areas near its frontiers forever inaccessible to educated persons of normal intellectual potential. Yet outside the hard sciences, the general level of math skill is atrocious. Typical citizens could learn much more math and science than they do, without being geniuses, yet they don't. It's like you're either an expert, or completely ignorant of science. I don't intend to parrot a common lament, but to ask why this is apparently so.