History
History of the ancient library of Alexandria
According to legend, the library was founded in the 3rd century BC and destroyed around the end of the Roman period, containing millions of cataloged texts. Scholars sti…
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Articles & explainers
40,619 published items in this category and its subcategories.
History
It's strange that when a young girl had to pay taxes alone, when she was 17 years old, she was not married and she would be given a husband by the district government
In the old days, not only had to pay the tax on being single, if they refused to get married when they reached the age of not getting married, their parents were also ex…
Discover science
Scientists discover the largest crater on Earth less than 100,000 years old
A crescent-shaped crater in Northeast China holds the record as the most impactful crater on Earth formed in the past 100,000 years.
1001 mystery
The thousand-year mystery of a lizard-man statue with a 'deformed' face
One of the world's most difficult mysteries to solve are the Ubaid lizard people found in Iraq.
Conquer Mars
NASA's Perseverance robot 'litters' on Mars
The Perseverance robot photographed the Martian landscape with the wheel tracks and drill bits it left on the red planet's surface last year.
Oceanography
Going to the sea to play, the girl found a beautiful little octopus, who expected it to be more deadly than a king cobra
As it turned out, the octopus that the Australian girl picked up was a blue-spotted octopus, one of the most venomous species in the world.
Oceanography
Ancient landslide in the Red Sea can cause a tsunami 21m . high
Depending on the extent of the landslide, a giant tsunami between 21 and 45 meters high could wreak havoc on the coasts of Egypt and Saudi Arabia.
Oceanography
Huge 'treasure' in the ocean: It took more than 60 years that humans still have not recovered!
The ocean world is not only mysterious but also contains a lot of fascinating treasures.
Archeology
Archaeologists unearth 'thousand year game' in Oman
Archaeologists working in the Qumayrah Valley in Oman have unearthed a rare artifact: a 4,000-year-old boardgame. The game table set has engravings arranged in a grid sh…
Archeology
Gold coin engraved with the portrait of the murdered Roman emperor
The 1,700-year-old 5.6-gram gold coin features the emperor Volusianus and Libertas on both sides.
Space science
The army of tiny robots explores the Moon
Five thin disc-like robots, 12 centimeters in diameter with two wheels, will launch into space this year to study the lunar surface.
Space science
Amazing images: The telescope caught 4.4 million 'monsters' from black holes to galaxies
Scientists have used the LOFAR Low-Frequency Radio Telescope Array to map more than a quarter of the northern sky as seen from Earth, revealing a series of stunning cosm…
Space science
Planet from another galaxy constantly broadcasting radio waves to Earth?
This is the closest source of extragalactic radio waves ever recorded, the origin of which could be a neutron star companion or even a black hole.
Space science
Life materials and a series of shocking things appear on the 'lost planet'
Ceres, the mysterious dwarf planet, the largest object in the asteroid belt, continues to amaze astronomers with what it possesses.
Biology
Turns out, plants also know how to scream when stressed
Do not think that plants are quiet and will not make a sound when hit. It's actually our ears, don't hear their voices!