[James] Cameron knows a lot about science, but he's happy to bag it when necessary, as suggested in this colloquy, from a recent interview with a men's magazine:
PLAYBOY: How much did you get into calibrating your movie heroine's hotness?
CAMERON: Right from the beginning I said, "She's got to have tits," even though that makes no sense because her race, the Na'vi, aren't placental mammals.
