Frankly, I don't think they have hypotheses, either. A hypothesis is also based on some sort of evidence, or at least some sort of expectation of what the answer will be--and you must be willing to have it proven wrong.

__________________
Gillian

"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"

"You can't erase icing."

"I can't believe it doesn't work! I found it on the internet, man!"