In which the first great sporting fad of the 19th century springs from great feats of British walking, and Ken isn't sure how to use protozoa as a metaphor for time. Certificate #21218.

The Dionne Quintuplets (Entry 352.JB0525)

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.