The moon is actually bigger than it looks from down here on Earth, as we learn in La Dix-Neuvième Caravane des Dominicains d'Arcueil, 1894.

The keeper of the exclamation point is actually Lady Question Mark.  From The Riddle by Walter Alexander Raleigh, 1895.

A finish is never fully the end -- it's just fin (from the Latin for "end") ish.  From Wheeler's Guide to Weymouth,1882.

Revealed: one of the ways lost works of art find themselves lost in the first place.  From Gazette des Beaux-Arts, 1859.

Here's a positive that turned into a negative (we've had that happen, too!) from St. Nicholas magazine, 1910.  The explanation posited by the magazine's Eastman Kodak representative is that the film must have been exposed to a strong light immediately after development and previous to rinising the developer from the surface and fixing.

You've heard of the "north pole," but it's actually a cone, and it's the source of jingle bells.  From The Pilot's Handbook for the English Channel by John William King, 1898.

"It may surprise you to find out that the hardest person to forgive is yourself." —Steve Gilliland, Hide Your Goat

We hear a lot about "the end," but where does it leave us?  Beckenham, Kent, to be precise!  From History of Kent by Henry Francis Abell, 1898.

Einstein said that God doesn't play dice, but here's evidence that God plays Tic Tac Toe, from Au Pays de Notre-Seigneur by A. Vannesson, 1890.

"It may surprise you to know that parents and teachers, for the most part, hold common goals for children." —Rational-Emotive Consultation in Applied Settings

Budding mathematicians, ironically, tend to blossom in winter months when plants are hibernating.  We learn this in Practical Physics, 1922.

The gears of November are powered by black cats and bunnies, as we learn in St. Nicholas magazine, 1908.

If it's true that "New ciphers develop when the existing ones have been broken" (Katelyn Callahan, "The Impact of the Allied Cryptographers on World War II"), then just where does said development take place?  In cypher incubators, or course.  Our graphic is from an entire catalog of incubators for cyphers (1899).