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Nanotechnology in a Roman chalice -

The Lycurgus Cup, a 1,600-year-old Roman chalice, alters its color when light passes through it, depending on the side.

© Public Domain 

Nanotechnology in a Roman chalice -

The Romans conducted trials using extremely tiny particles of gold and silver, which cause the cup to alter its color. Quite fascinating, isn't it?

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Gravestones on the beach -

In 2012, a collection of tombstones from the 19th century were found at Ocean Beach in San Francisco.

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Beach tombstones -

Why? In the early 1900s, cemeteries inside the city were closed and their tombstones repurposed for construction projects, including a sea wall.

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Raining fish -

Every year, inhabitants of Yoro in Honduras encounter numerous fish on the streets, despite the fact that Yoro is located far from the ocean.

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Raining fish -

The occurrence is referred to as "lluvia de peces" ("rain of fish" in English). Several theories have been proposed, including divine intervention, yet none have been definitively proven.

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Ireland's Wallabies -

Normally, these cute marsupials are commonly found in Australia. However, it's intriguing to question how they managed to appear on Lambay Island, situated near the Irish coastline.

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Ireland's Wallabies -

It seems that a family brought them there in the 1950s and they managed to adapt to the climate.

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Stonehenge at the bottom of a lake -

In 2007, researchers found a structure of massive stones arranged in a circle on the bottom of Lake Michigan in the United States.

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Stonehenge at the bottom of a lake -

Limited information is available concerning this Stonehenge-style formation. Whether it's a legitimate ancient structure or if the stones were even purposely placed there is yet to be determined.

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Indian cobras found in the US -

In Springfield, Missouri, a discovery was made in 1953. At least 11 venomous Indian cobras were found.

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Indian cobras exist in the US -

It wasn't until 1988 that a man admitted to releasing the dangerous creatures, ending the mystery surrounding their surprising appearance. 

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Underwater river -

A captivating underwater river was found by divers in Cenote Angelita, Mexico.

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Underwater river -

The "river" is made possible due to being surrounded by a cloud of hydrogen sulfide, a toxic gas.

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Shark spotted at golf course -

At San Juan Hills Golf Club in California, a surprising incident occurred when a leopard shark unexpectedly dropped from the sky on an otherwise typical day.

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Shark spotted at golf course -

A bird likely caught the shark and eventually released it. Fortunately, employees from the golf club saved the animal and safely returned it to the ocean.

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Whale remains found on farmland -

In 1849, whale fossils were unexpectedly discovered by construction workers at a Vermont farm, which is noteworthy due to its location around 200 miles (322 km) inland from the ocean.

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Whale remains found on farmland -

The age of the fossils is estimated at approximately 12,500 years.

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Locomotives found on the ocean floor -

In 1985, a discovery was made off the coast of New Jersey: two locomotives, possibly from the early 1850s.

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Locomotives found on the ocean floor -

Various theories exist regarding the presence of the locomotives, but none offer a definitive explanation for their placement.

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Organic matter in a meteorite -

In 1864, a large meteorite known as the Orgueil meteorite fell from space and landed in France. It is one of the oldest meteorites ever found on Earth. 

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Organic matter in a meteorite -

Scientists initially claimed to have discovered organic matter within the rock. However, subsequent research indicated that said matter had been intentionally "planted" in the meteorite during the 19th century.

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Lifeboat on an uninhabited island -

Located in the Atlantic, Bouvet Island is an isolated and uninhabited landmass. However, a lifeboat was unexpectedly found on the island in 1964.

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Lifeboat on an uninhabited island -

The boat was owned by the crew of a whaling vessel that was caught in inclement weather. Eventually, they were rescued from the island, leaving the lifeboat behind.

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Microbes preserved in crystals -

The Naica Mine in Mexico contains enormous crystals. Due to intense heat and humidity, the mine has become exceedingly difficult to explore.

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Microbes preserved in crystals -

However, an astounding revelation was made by researchers in 2017, uncovering the presence of minuscule organisms within the crystals. Scientists speculate that these organisms may have lived there between 10,000 and 50,000 years.

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Far from the sea -

In the arid outskirts of Moynaq, Uzbekistan, sit several dilapidated ships.

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Far from the sea -

The area, known as the Aral Sea, was, in fact, the world's fourth-largest lake. But it dried up over the past 40 years or so.

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Spider found in water -

Are you scared of spiders? Do you believe you'd be secure underwater? Think again.

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Spider found in water -

There is a possibility of coming across a diving bell spider, a type of arachnid that resides underwater in a bubble. 

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