- You burn more calories sleeping than watching TV.
- A very small raindrop can travel up to 7 minutes from the sky before reaching you.
- African elephants only have 4 teeth.
- The first train reached a top speed of only 8 kmh (5 mph).
- An octopus pupil is rectangular.
- The word 'uncopyrightable' is the is the only 15 letter word that can be spelled without repeating any letter.
- Ketchup was once sold as a medicine.
- The first paperback book was printed by Penguin Publishing in 1935.
- The human eye blinks over 4,200,000 times a year.
- In a deck of cards the king of hearts is the only king without a moustache.
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