Interesting side note without a link:

Last night I read on Quinion about groundswells, that turned out to be swells of the ocean thought to rise from the ocean floor. The reading was very interesting--let me take a look at my bookmarks and see whether I saved the link...

Yep, I did save it:

http://www.quinion.com/words/qa/qa-gro2.htm

Hope I remembered how to paste a link!

Boat regards,
WordWater