Here are the few things I came across,
- The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
- Each king in a deck of playing cards represents a great king from history. Spades – King David, Clubs – Alexander the Great, Hearts – Charlemagne, and Diamonds – Julius Caesar.
- The names of the three wise monkeys are: Mizaru: See no evil, Mikazaru: Hear no evil, and Mazaru: Speak no evil.

- The male mosquito does not bite. Only in the female is the proboscis fitted for biting and blood-sucking. The mouth parts of the male are rudimentary and he could not bite no matter how hard he tried.
- Peanuts are one of the ingredients of dynamite.
- An ostrich’s eye is bigger than its brain.

- Right-handed people tend to scratch themselves with their left-hand. Vice-versa for lefties.
- If you keep a Goldfish in a dark room, it will eventually turn white.

- The Eiffel Tower is six inches taller in summer than winter.

- Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.

- Banging your head against a wall uses 150 calories an hour.
- Multiply 37,037 by any single number (1-9), then multiply that number by 3. Every digit in the answer will be the same as that first single number
- Edison’s first light bulb filament was made of cotton (1879)
- The deepest spot in the ocean is in the Mariana Trench at 11.7 km