Porphyria is a collection of diseases where symptoms include severe sun sensitivity, prominent canine teeth, and peculiar behavior, is thought to be the basis of the vampire legend.

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Alexithymia - difficulty explaining your feelings to others

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In the town of Cresskill, all cats and kittens must wear bells so that birds are aware of their presence.

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Fast reading has less eye fatigue than slow reading.

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It’s estimated that around 500,000 people and more than a million animals were killed at the Colosseum.

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A person can become intoxicated without consuming alcohol.

There is a condition known as "auto-brewery syndrome" — a rare disorder in which the body converts carbohydrates into ethanol, causing the person to feel drunk after eating.

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In Osaka, Japan outdated phone booths have been turned into aquariums.

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The Library of Congress in Washington, D.C. is the largest library in the world and contains more than 162 million items in its collection, including books, maps, newspapers, music, and photographs.

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There is a plant known as the Flower of Laughter.

Its seed, the size of a pea, can induce uncontrollable laughter in a person for half an hour.

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Not a single engineer made it off the Titanic: they stayed and kept the power on so others could escape.

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One of the earliest pregnancy tests was a fish, called a European Bitterling. If injected with a pregnant person's urine, its ovipositor (egg-laying organ) will protrude, indicating a positive result.

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Texas is larger than any country in Europe. Not only that, if it were its own country, it would be 40th out of 193 in size.

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:🦩 :Flamingos stand on one leg not only for beauty. The point is that in this way they reduce heat loss in strong winds. Their feet are not covered with feathers and they freeze quickly.

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📦 Bubble wrap was originally intended to be used as room wallpaper! However, it eventually became one of the most popular ways to package products.

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A market in Thailand is run on top of train tracks. When a train comes, stall owners pack up their shops and move out of the way.

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A chameleon's tongue is twice as long as its body.

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4.5 trillion cigarette butts are littered every year, making them the most littered man-made waste item in the world.

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Children under one year old should not be given honey, as it can cause infant botulism.

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