And I disagree. I can't personally say there's an event that can't be explained away somehow, but isn't that the point of science? To explan things and find out how they work?

Can you categorically say that one day mankind may not have a properly established and universally accepted paranormal science that deals entirely with ghosts/apparitions etc.??

The same way that hundreds of years ago, physics was scorned apon with new discoveries marking people out as heretics?