Man, the studies that are conducted these days are pretty lame-o. For instance, a bunch of scientists came up with the 2 second gay test (well, it's not really called this):
(Females)
Look at your hand (palm side). If your ring finger is significantly longer than your index finger (as is typically the case for men), this means you are raging lesbian. Their results showed that lesbians generally had longer ring fingers than index fingers.

Yeah right.