* Ever heard of a CRYOVOLCANO? It's a volcano that shoots out ICE rather than lava on Titan, Saturn's largest moon
* FOUR is the only number that has the same amount of letters as its actual value .
* JELLYFISH evaporate in the sun. They're 98% water.
* Those stars and colours you see when you rub your eyes are called PHOSPHENES.
* It cost 7 million dollars to build the TITANIC and 200 million to make a film about it. 
* If you walk and talk with someone, eventually you will synchronize your steps with each other. .
* ALEAXANDER GRAHAM BELL, the inventor of the telephone, never phoned his wife or his mother. They were both deaf. 
* GIRAFFES can't yawn. 
* There's an English word with no vowel: "CRWTH"
Image courtesy: Geology
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