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The comfortable hole -

Koko, a gorilla, amazed the world with her sign language skills. Using sign language, she effectively communicated with humans and shared insightful statements throughout her life.

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The comfortable hole -

Animal psychologist Penny Patterson revealed that Koko had a unique perspective on the afterlife. When asked "where do animals go when they die?", Koko responded with the phrase "a comfortable hole," leaving many puzzled and igniting philosophical discussions.

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The preserved princess -

Xin Zhui was a Chinese royal who passed away in 163 BCE. The provided image depicts a recreation of her likeness.

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The preserved princess -

When they unearthed her tomb, researchers made a surprising discovery: a remarkably well-preserved body that had endured for over two millennia. Astonishingly, she retained her hair, eyelashes, flowing blood, and even melon seeds in her stomach. The scientific community was utterly perplexed by this unprecedented level of preservation.

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Overnight prodigy -

In 2006, Derek Amato astounded the world by acquiring remarkable musical abilities practically overnight. At the age of 39, Amato endured a grave head injury after diving into a shallow swimming pool.

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Overnight prodigy -

Amato's musical talent emerged spontaneously as he began composing piano music. He has now developed into a prodigious musician, leaving scientists puzzled about the perplexing transformation's underlying causes.

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Endless thunderstorm -

Scientists have also been perplexed by Hector, a thundercloud that forms on a near-daily basis over Australia's Tiwi Islands.

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Endless thunderstorm -

The cloud, nicknamed Hector the Convector, has gained fame as a "consistent thunderstorm," and scientists continue to ponder its origins.

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Unintelligible communication -

Approximately five centuries ago, an unidentified writer composed a text in an unfamiliar language. The manuscript, written by hand and commonly referred to as the Voynich manuscript, was named after its discoverer, Wilfrid Voynich.

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Unintelligible communication -

Voynich acquired the text in 1912 as a book dealer. Speculation suggests its origin as Northern Italy, and codebreakers have diligently strived to decipher its meaning, yet no substantial breakthroughs have surfaced thus far.

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The dancing plagues -

Historians and sociologists have long been perplexed by accounts of "dancing mania" during the 14th to 17th centuries. In Strasbourg, a peculiar "dance epidemic" transpired in 1518, wherein approximately 400 individuals suddenly began dancing uncontrollably, seemingly losing all self-control, and were unable to stop. 

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The dancing plagues -

There were serious consequences, including heart attacks, various health issues, and even fatalities. Speculations suggest that the phenomenon might be due to a "mass psychogenic illness," but the exact cause of this unusual event remains unknown.

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The Wow! signal -

Historians have been puzzled by accounts of alien sightings for years. However, in the late 1970s, a rather convincing piece of evidence emerged. The Big Ear Radio telescope at Ohio State University captured a 72-second signal.

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The Wow! signal -

Dubbed the "Wow!" signal, it has never been replicated, and plausible explanations for this event remain scarce. Nevertheless, it persists as the most significant hint suggesting the existence of extraterrestrial life.

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Cleopatra's grave -

Similar to Mozart and Genghis Khan, the whereabouts of Cleopatra's tomb remain a mystery. It is widely believed that she was laid to rest alongside her lover Antony, yet the precise location remains undetermined.

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Cleopatra's grave -

Archaeologists reported a breakthrough in their search in 2022 when they discovered a temple at the ancient ruined city of Taposiris Magna in Egypt, but the whereabouts of the elusive burial site still remain unknown.

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The million dollar can -

In 2013, a couple made a surprising find in Gold Country, California: a substantial can containing more than 1,400 gold coins. Interestingly, these coins seemed to date back to the Gold Rush era. The identity of the original owners remains a mystery.

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The million dollar can -

The coins, primarily US$20 coins, totaled US$27,980 but have now escalated in worth to US$10 million. The U.S. Mint confirmed no association to a coin producer and the couple chose to retain possession.

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The Phaistos Disc -

The Phaistos Disc is a distinctive historical artifact with inscriptions and texts from ancient times. Notably, its content remains a mystery, as deciphering its message remains an unsolved enigma.

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The Phaistos Disc -

The true nature of the Bronze Age object discovered in Phaistos, the Greek Island, is debated, with some perceiving it as a board game, while others view it as a calendar.

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The disappearing village -

The mystery surrounding Angikuni Lake in Canada has baffled historians for a long time. Previously an Inuit village, its residents allegedly disappeared without a trace, never to be found.

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The disappearing village -

According to a legend, in 1930, fur trapper Joe Labelle stumbled upon the village and discovered only deceased sled dogs with no sign of any other individuals. Despite investigations, a definitive explanation has never been found.

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The vanished crew -

Joyita, a merchant ship, disappeared mysteriously in 1955 in the South Pacific. Interestingly, it had a unique feature: it was designed to be unsinkable.

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The vanished crew -

Joyita was discovered above water, but there was no one aboard. 25 individuals were said to have embarked on the boat, however, the crew members were nowhere to be found, according to reports.

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An island that never existed -

Islands have always held a sense of fascination and mystery. Bermeja Island (shown above the letter "X") has been a captivating subject of tales, mainly because it doesn't exist.

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An island that never existed -

Bermeja surprisingly remained on maps until the 20th century. Numerous theories exist regarding the island, including one that proposes its existence but claims it was destroyed by the CIA for economic reasons.

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Meat shower -

In 1876, a woman by the name of Mrs. Crouch witnessed a remarkable occurrence of natural phenomena. While seated on her porch, she witnessed a downpour of red meat falling from the sky.

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Meat shower -

Initially, there was speculation that the event was a divine message or a widespread illness. Experts have conducted thorough research, yet no definitive explanations have surfaced. It is suggested that vultures regurgitated the meat as a result of being abruptly startled during their feeding process.

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The disappearing Prime Minister -

Harold Edward Holt held the position of Prime Minister of Australia starting in 1966, but then mysteriously vanished without a trace.

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The disappearing Prime Minister -

In the isolated Cheviot Beach, Holt and four friends were enjoying a swim when the sea swiftly engulfed him, vanishing before witnesses' eyes. Despite an extensive search, no traces were ever found.

Sources: (Bored Panda) (Reader's Digest)

See also: Einstein, teleportation and the mysterious 'Philadelphia Experiment'

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