The Amish celebrate Christmas twice. Once on 25 December and again on 6 January when they celebrate "Old Christmas".

In Switzerland, it is illegal to own just one guinea pig. They're social animals, so denying them companionship is considered to be an act of cruelty.

Scientists operating the Parkes radio telescope in Australia were baffled by mysterious radio signals for over 17 years before discovering that they were coming from a microwave oven in the staff kitchen.

The inventor of Vaseline believed so strongly in the health benefits of his product that he ate a spoonful of it every day. He lived to 96.

"Backpfeifengesicht" is a German word that roughly translates to "a face that is begging to be punched".

Octopuses have copper-based blood, which is blue in colour. Copper-based blood is more efficient at transporting oxygen at very low temperatures than the iron-based blood found in most animals.

The microwave oven was invented by accident when radar engineer, Percy Spencer, noticed that the equipment he was working on had melted his candy bar.

Fact Check: TRUE

Prawo Jazdy was once Ireland's most prolific traffic offender, according to police records. Upon investigation, it was discovered that "prawo jazdy" is actually the Polish term for "driving licence" and the elusive criminal was actually an admin error. #trivia

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