The longest conflict in history was the 100 Years War fought between France and England . It actually lasted for 116 years from 1337 to 1453.

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There are creatures on Earth with red, blue, green, and yellow blood

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The Rakotzbrücke Bridge in Germany was built in such a way that, together with its reflection in the water, it forms a surprisingly clear circle. However, the current water level of the Rakotz River also matters. The bridge's artificially formed basalt columns were shipped from distant quarries.

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Real diamonds are radiolucent. They don’t show up in X-ray.

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Scientists have proven that chocolate can boost your math ability.

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The World's Longest Marriage Lasted 86 Years

The next time one of your friends tries to tell you that true love doesn't exist, just tell them about Herbert and Zelmira Fisher.

According to the Guinness Book of World Records, the late couple broke the record for longest marriage in history back in February 2011, staying married for 86 years and 290 days.

As for the secret of their success, the couple once said that "there is no secret in our marriage - we just did what was necessary for each other and our family."

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The world's smallest horse lives on a farm in St. Louis, Missouri, USA.

The horse named Tambelina is a horse, not a pony, but she is even smaller than a pony. Her height at the withers is only 44.5 cm, which is less than three times the height of an average horse. Tambelina weighs only 26 kilograms.

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To prevent eye strain(fatigue of eyes), you should look away from your computer or phone every 20 minutes and gaze at something 20 feet away for 20 seconds.

It's called the '20-20-20' Rule. Don't forget to blink more often.

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In Islamic law, a woman has the right to annul her marriage, if her husband is away for too long because her right to intimacy is paramount.

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Even under a worst-case scenario, no Rubik’s Cube is farther than 20 moves from being solved.

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Involuntary stretching of your muscles after sleep is called "pandiculation."

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At around age 23, the average person falls off what the researcher Jennifer Aaker calls ‘the humour cliff’: we start to laugh and smile less and less. The average 4-year-old laughs and smiles 300 times a day, the average 40-year-old — 300 times every 75 days.

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People born blind naturally express core emotions like happiness, fear, and anger using identical facial muscle movements as sighted people, indicating these expressions are biologically innate, not learned through seeing others.

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The word ‘uncle’ comes from the Latin word ‘avunculus’, which literally means ‘little grandfather’.

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In Dubai, you can UBER a helicopter instead of a taxi. A helicopter ride booked for a group of six costs 144.30$ per person, while individual seats are priced at 171.52$. UberTour is being operated in the same fashion as the company's car service, with bookings made through the app.

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China's National University of Defence Technology (NUDT) has developed a mosquito-sized microdrone for covert military operations.

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Only 25% of people can type well without looking at their keyboard.

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The words "racecar", "kayak" and "level" are palindromes. They read the same whether you read them left to right or right to left.

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Diamonds and pencils are made from the same material.

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A snail's nervous system consists of 20,000 neurons. The human brain, to compare, contains several hundred billion neurons.

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