scubi63 wrote:
If divining can be tested, retested and predicted under scientific methods then the cause may not be known but its existence cannot be denied.
Quite. If you can construct an oversized top hat out of the British Society of Dowsing newsletter and pull it right over your head down to your chin and wander round the Rollrights for an hour and have lots of people observe that your rods always twitch at the same spots and no others then you'll have shown the phenomenon exists and you'll become very, very rich.