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3 reasons why no one counterfeited ancient paper money in ancient times
An ancient Chinese banknote is just a piece of paper, so why didn't anyone counterfeit it, how did the ancient government prevent counterfeiting?
Seal
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Articles about Seal
185 published items.
Animal world
These animals can be mistaken for each other at first glance.
In a world filled with countless animal species, there are some pairs that can leave you stumped for a moment because of their appearance.
Oceanography
The Galapagos shark's quick, neat, and decisive hunt 'dyed' a corner of the ocean red
The Galapagos Marine Reserve is home to the largest population of sharks on Earth, so dramatic hunting scenes of these sharks often occur.
Discover science
A glittering gold ore block that can't be excavated anymore has been discovered, the park is sealed off, revealing a 1,000-year-old treasure.
A 3,360-hectare park has been sealed off after a strange, golden-colored rock was discovered. Experts have confirmed it is the largest treasure ever found.
Archeology
The ancient tombs were all sealed from the inside, how did the last worker escape?
Ancient tombs, especially royal tombs, were built with mysterious designs that are still difficult for us to find answers to today.
Space science
China successfully tests inflatable spacecraft capsule
The China Academy of Space Technology announced on November 21 that the inflatable spacecraft capsule carried by the Shijian-19 satellite has passed orbital testing.
Discover science
Why were more than 200 fish 'sealed' at the same time in a fossil from 50 million years ago?
Recently, scientists found an extremely rare group of fish fossils in Guizhou Province, China, attracting the attention of the international scientific community.
Archeology
Did Scandinavians use boats made of animal skins 5,000 years ago?
Ancient Scandinavians may have used boats made from animal skins for fishing, hunting and transporting trade goods, a new study suggests.
Archeology
Strange creature 'sealed' in rock for 478 million years: The ancestor of many species
An ancient stone slab in Morocco has preserved intact creatures that could fill an important evolutionary gap.
Archeology
Found a 1,500-year-old talisman against 'evil eye'
The ancient talisman is engraved with words and many drawings to protect women and children from a female demon in Greek mythology.
Archeology
Be amazed by something like modern times in a 7,000 year old village
An ancient village built in 5000 BC contains strange objects that show that the ancient society there developed to an unbelievable extent.
Archeology
The boy picked up a black coal, the expert tested it for 10 years before concluding: This is the only treasure in the world
In 1981, in Shaanxi province (China), a boy picked up a 'strange' treasure and brought it to the Shaanxi historical museum. It was not until 10 years later that the secr…
Health
Creating a new type of 'glue' that helps seal the meninges after surgery
A group of American neurosurgeons and biological engineers created the type
Archeology
The ancient female vampire's grave is still 'sealed'
A 17th- to 18th century vampire tomb has just been unearthed in Poland, inside is the remains of a woman with a sickle around her neck to prevent her from returning to t…
Oceanography
That's good fighting, but killer whales succumb to these gentle 'guardians'
The humpback whale protects seals, moonfish, and many other species from the ocean 'god' and its relative: the killer whale .