Smallpox is the only human disease that has been successfully eradicated. it has no cure, and the vaccine against it was the first and most successful vaccine.

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To quickly charge your phone, you need to turn on airplane mode, and the process will go much faster.

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Magpies help other animals by plucking ticks and other parasites from their skins. They can pull them out even if they have a strong grip.

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If a pregnant woman has damage to a certain organ, the baby in her stomach will “send” stem cells for recovery.

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George Washington died in 1799 after doctors drained nearly 40% of his blood in an attempt to cure a sore throat.

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In ancient India, Diabetes was called “madhumeha” or “honey urine” as the urine would attract ants. Indian physicians Sushruta and Charaka identified Type 1 and Type 2 diabetes as separate conditions for the first time in 400-500 CE.

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Australia was originally called New Holland.

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The first person who used "smiley face" was Scott Fahlman, who typed ":-)" symbols to indicate a smile during the BBC chat show in 1982.

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The U.S. Geological Survey (USGS) scientists believe that the Moon experiences "lunar tremors" similar to earthquakes occurring on Earth. They take place due to tidal distortion related to a changing distance between Earth and the Moon.

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In 1962 there was a laughing epidemic in what was Tanganyika that caused 14 schools to shut down and affected over 1000 people.

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When we look at something we really like, our pupils increase by 45%.

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The word “peacock” does not actually apply to both male and female birds.

It’s only the males that are called peacocks, while the females are called peahens. Together, the collective name for them is “peafowl.”

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Athletes' teeth are prone to caries. During exercise, they breathe through their mouths, which causes their teeth to dry out and the process of plaque formation to accelerate.

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Lions inhabited many parts of Europe until they were hunted to extinction around 100 B.C.

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Evolution: the kiwi birds are losing their vision

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Seahorses choose their mate for life. And when they move, they hold on to each other's tails.

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In Japan, it's considered impolite to blow your nose in public

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Regular work helps to relieve the symptoms of mild to moderate depression.

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Bee bites smell like a banana - it’s the smell of disturbing pheromones.

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Dysania is a condition, when you can hardly get out of bed in the morning.

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In the 9th century, goats in Ethiopia unlocked the secret to alertness! Legend says herder Kaldi’s goats livened up after eating red coffee cherries. Monks brewed a drink for prayers, and by the 13th century, coffee became a global culture sustaining billions.

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