US legislation allowed children to be mailed from 1913 to 1920

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There are currently 160 million orphans in the world. This is the highest number ever recorded

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Gold leaf is edible and widely used in cooking to decorate desserts

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Before Apple bought Siri, it was originally released as an app for Android and Blackberry

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If you start singing you can stop snoring

Snoring is caused by weak muscles in the soft palate

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Most of the dust that abounds in any home is made up of dead human skin particles

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Equestrian polo is thought to be the oldest team game in the world

The game originated more than two thousand years ago and was widespread in Persia and India. It was in India that the game was introduced to officers of the English army, thanks to whom polo spread to Europe

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Sweden has 267,570 islands - the most of any country in the world

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In ancient Eastern countries tickling was forbidden. It was considered a sinful arousal

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A giant bulb

Pete Glazebrook from Northern England looks lovingly at an onion he grew weighing almost 9 kilograms. It entered the Guinness Book of World Records as the heaviest bulb

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The leaves and flowers of white water lilies are coated with a substance that repels any dirt, so they never get dirty

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Originally, coffee was considered a miracle cure in Yemen and Arabia and was only consumed on the advice of a doctor. Many saw it as a brain tonic or as a way to stimulate religious visions

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In Finland there is a paid quiet hour at work

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The word 'freelancer' was originally used in the 1800s to describe a medieval mercenary fighting for the country or person who would pay him the most

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Tigers' skin is actually striped, as is their fur. Also, no two fur colourings are the same

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A giraffe and a human have the same number of cervical vertebrae

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The human body will process about 45.5 tonnes of food in a lifetime

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Gold vending machine

There are vending machines in Dubai that sell gold bars the same way they usually sell drinks and chocolates

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The longest place name, consisting of 85 English letters, is 'Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu'

This is a hill in New Zealand. The locals just call it Taumata

The fewer teeth, the worse the memory.

It turns out that teeth can affect how information is remembered. Experiments have shown that the fewer healthy teeth a person has, the weaker his or her memory. It turns out that when they fall out, not only the gums and dental nerves are damaged, but also the neural connections in the brain. Most of them are responsible for learning and remembering facts about the world around them

Due to shortage of criminals, Dutch prisons are being converted into hotels

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