In which researchers squabble for centuries about the secret ingredient that made one Cremonese craftsman the greatest musical instrument-maker of all time, and John seasons guitars under a bus. Certificate #36611.

Pickleball (Entry 937.EZ4621)

Every week, Ken Jennings and John Roderick add a new entry to the OMNIBUS, an encyclopedic reference work of strange-but-true stories that they are compiling as a time capsule for future generations.