Science can be a sweet gig if you don't have to work so much. Doing research in Theoretical Phys Ed, for example, doesn't take all that much effort, but some fields require experiments and those can be a real time sink.
If you're envious of people who can just make up data, John Timmer at Ars Technica has a wonderful primer for you.
Credit: Aurich Lawson. Link: Ars Technica