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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The daily fuel consumption of cruise liners can reach up to 250 tons.

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There is an ancient “second brain” in the stomach, technically know as the enteric nervous system, that is neurologically active and responsible for feelings like “butterflies in the stomach.”

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In Japan, the average life expectancy is the highest in the world, at 83 years.

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The lump you feel in your throat when you’re nervous or crying is an autonomic response to stress that expands the glottis in an attempt to provide you with more oxygen.

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Corals are animals that look like plants.

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The red, yellow, and green colors associated with the Rastafarian movement are the colors of the flag of Ethiopia and are unrelated to the Jamaican flag.

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If all the ice on Earth melts, the ocean level will rise by 70 meters.

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Ants use “social immunization.” If one is infected with a fungus, they still lick the ant, spreading it throughout the colony. This practice both kills some of the spores, and builds immune resistance.

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Doctors before the eleventh century would drink the urine of their patients to determine whether or not they had diabetes. A sugary taste indicated the person was diabetic.

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Namibia was the first country in the world to incorporate the protection of the environment into its constitution.

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The first automobile to go into production was the Ford Model T, released in 1908.

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The first known pizza delivery was delivered by the most famous pizza chef in Italy to the king and queen in 1889.

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