<I did see a lot of figures and numbers and charts that seriously threatened to go zooming over my head.

You noticed that? It's a common factor in this kind of thing. It's not uncommon for sites touting antigravity machines to be completely filled with complex equations and scientific theories.

One begins to wonder after looking at the extensive lists and documents (browse the sites linked by Lindy) if anything at all in a crop circle was NOT found to be abnormal by these researchers. Add to this all the other strange phenomena connected to crop circles by the researchers, and you start to feel, like Hercule Poirot, that "there are too many clues in this room."

It's also worth noting that if crop circles are proven to be hoaxes, a lot of crop circle researchers are going to be selling fries for a living instead of books and videos. It would be sensible to pay a little attention to the opinions of scientists whose careers are not riding on crop circles not being made by guys with boards.

This doesn't necessarily make these researchers crooks. Even some honest scientists will tend to steer the data toward whatever conclusion keeps the research money coming in. This is not a phenomenon limited to crop circle research, and should be taken into account when discussing any scientific proposition.

Scientist A claims that something critical and important is going on, that will result in major changes to society. He says much more research is needed on this crucial subject, or terrible things may happen.

Scientist B claims that he sees nothing going on that indicates anything unusual is happening. Existing data shows everything is normal. Nothing critical. Nothing crucial. Nothing to see here. Everybody go home.

Tell me which of these two scientists is still going to be funded next year.

Think global warming.