Harry Kroto

You can be an idiot and survive because you just go to McDonalds for your food, and you go to work and do some sort of inane job, which is nobody taking any responsibility - it's always up the line - and then you watch the Super Bowl, and that's it. But in the old days, you really had to know how your world works. You don't need that anymore.

Being a pop star is something I don't think I'm very good at. I'm worried it's making me too paranoid, because all of a sudden, life has become this constant assessment. When you put something out there and people get to hear it, then those people react to it, socially, culturally.

On the other end of the spectrum, these women who do live long enough to collect Social Security face the challenge of being disproportionately dependent on the Social Security system for retirement income.