“but at the same time I just cannot accept claims as true without measurable evidence which has been gathered in a controlled manner.”
This, and I say this with respect
@Chris, is a bit lazy. With respect because I do, and also because your view is very widespread and normal, the “well, prove it” or “I need proof” approach. If you need proof, go and find it, it’s all out there or it’s not all out there.
If I wish to prove something to myself, I don’t expect somebody else to go out of their way to try and convince me, I go and find enough information, history, occurrences, sightings, reports etc to satisfy my interest to the point I’m prepared to accept the probability is in favour of it being true. Dowsing is ancient, there are old woodcuts of people with Hazel twigs and pendulums, it’s a subject that almost everyone is aware of. Many of us know people who can dowse, people here can dowse. That’s pretty much good enough for me.