meteorology (the weird rain)
electromagnetics (the compass being off balance, all the crash landings there, etc)
psychology (the way people are being tested)
para-psychology (ESP)
zoology (the polar bears)
and utopian social engineering (the others)
6 stations, sex fields of study. thats how I see it anyways.
BTW, tonights episode was great. The show is finally back on track. It seems the problem was the intercutting to the raft people, as soon as that was taken out of the equation everything got better.