To lose the bubble means “to lose track” or “lose one’s bearings,” and refers to the bubble in an inclinometer on an airplane or ship, much like the bubble in a carpenter’s level. It’s described in detail in...
Why do we measure the sea in knots? Why, to keep the ocean tide! This is part of a complete episode.
A caller has a friendly disagreement with a pal: Is the expression “tide me over” or “tie me over”? Hint: The answer she gets should tide her over. This is part of a complete episode.
You may have learned that an estuary is where a river meets the sea, but a reference librarian asks whether she should eschew estuary as a word for the confluence of freshwater bodies. Martha and Grant tide her over with some more information. This...