Astronomy is not the apex of science or of invention. But it is a test of the cast of temperament and mind that underlies a culture.
Feature-length film comedy is harder to pull off than the episodic sitcom - it doesn't have the same factory machinery up and running, teams of writers putting familiar characters through permutations - but that doesn't explain the widening quality gap that makes movie humor look like a genetic defective.
I think people are born bisexual and the make subconscious choices based on the pressures of society. I have no question in my mind about being bisexual. But I'm also a hypocrite: I would never date a girl who is bisexual, because that means they also sleep with men, and men are so dirty that I'd never sleep with a girl who had slept with a man.