Looking for a way to spark some conversation when things start to drag at the party? How about breaking out the origin of the word "O.K.", the fact that every navel orange you eat is really a clone of a single one from 1820, the existence of the Hippo-Whale, dolphins' love of nasal sex, or the real reason pirates wore those eye patches.

Our friends over at Online Schools have compiled 50 of the strangest and most amazing facts, and turned them into a flip book, below. Flip through, commit a few facts to memory, and you'll never be stuck asking, "So, um, what do you do for a living?" like some cocktail party noob again. That's why the next time I meet a cougar, I'm going with the reason zebras have stripes.