Caused by UFO's in their secret base in the
Bermuda Triangle.

"Steve Thomas" wrote
Sometime in the recent past, there was an event that was generally called
the "great salinity anomoly" in the North Atlantic. There was a large
patch
of lower salinity water that the scientists were at a loss to explain. I
don't remember exactly when it was, but I don't think it was more than 10
years ago.