The world record for the tallest stack of doughnuts totaled more than 3,000.

Measuring almost 5-feet tall, the pyramid-shaped tower was made up of 3,100 doughnuts. According to Guinness World Records, the structure was "designed on a number of different software products to ensure its structural integrity." The organizers behind the project enlisted the help of a structural engineer and an architect, who eventually concluded a pyramid shape would give them "the best combination of stability and height."

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More than 800 languages are spoken in Papua New Guinea.

It's hard to imagine anyone being able to speak—or even understand—all of the 850-plus indigenous languages that are spoken in Papua New Guinea. And in reality, most people don't. Many of the languages in the country—such as Nihali—are only spoken and understood by a few thousand people in the world. Still, the sheer number of languages that exist in Papua New Guinea make it one of the most linguistically diverse countries in the world.

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The longest tennis rally lasted over 12 hours.

Italian athletes Simone Frediani and Daniele Pecci earned the world record for the longest tennis rally ever on June 11, 2017.

Hitting for more than 12 and a half hours straight—from 6:23 a.m. to 7 p.m.—the two took a total of 51,283 uninterrupted strokes, sipping from water-filled backpacks to hydrate without having to stop play.

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There is a fish with transparent bones and white blood.

The Antarctic blackfin icefish, not only does this creature lack scales and have transparent bones, but it's also unique in that it doesn't have red blood cells or hemoglobin pigments for transporting oxygen, causing the fish to have a very unique characteristic: white blood.

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Sexsomnia, also called sleep sex, is a disorder in which sleeping people engage in sexual behaviors such as masturbation or initiating sex with another person. Even if their eyes open and they make sexual noises, they are truly asleep and unaware of their behavior once they are awake.

#Humans

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Aphantasia - this is a condition that blocks the mind’s eye, it affects 2-5% of people globally and reduces their ability to remember the past, imagine the future, and even dream.

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There are snakes with two heads, which compete with each other for food.

The fact that some snakes are born with two heads is pretty incredible as is, but what about the added detail that these heads are actually two distinct parts that both work with one another and also see each other as competition?

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Smoking dead scorpions to get high is a practice in Pakistan. Users crush the scorpions into powder and mix with tobacco or hash.

Supposedly the high lasts for almost 10 hours. The first six hours are painful, as the body adjusts to the high. Slowly, the feeling eases into enjoyment and everything appears like it is dancing.

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In 1849, enslaved American Henry Brown boxed himself up and mailed himself to a state where slavery was illegal. He left the box a free man.

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Smarter people are more likely to underestimate themselves, while dumber people are more likely to believe they're brilliant

It's called the Dunning-Kruger Effect

#People

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Crows in captivity can learn to speak better than parrots.

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A Newborn baby kangaroo can fit in a teaspoon.

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