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A mysterious fireball appeared in the sky of China
Mysterious objects suddenly appeared in the sky of China at midnight Beijing time, turning the night as bright as day.
Chi
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Articles about Chi
9,234 published items.
Discover science
Why are naughty kids always happy?
Naughty children will know how to explore the world. They are also not afraid to express emotions, very independent and creative.
Discover science
Decipher the mystery behind the 8 largest Chinese ancestors
In China, they are descended from matriarchal society. The children at that time only knew their mother, not their father.
Oceanography
Why did oysters turn from cheap food to expensive luxury?
Oysters in some countries can be considered a delicacy with a variety of recipes, but this is not always the case.
Archeology
Scary secrets in mass graves buried hundreds of children
In late August, media reported that archaeologists had found a mass burial site in northern Peru. This is the largest collective children's tomb ever discovered in the w…
Animal world
How to distinguish Vietnamese snakehead fish and Chinese bananas
Snakehead fish, also known as fruit fish, banana fish, is a type of fish often featured in the tray of Vietnamese rice. Not only delicious, snakehead fish also brings a…
Scientific application
The primary school boy from the Khmer made an automatic poisonous quail egg peeling machine
The device was successfully invented after only 30 days of testing. In particular, the price of the device is only about 300,000 - 400,000 VND.
Videos
Feast your eyes on the automatic fish fillet line with incredible precision
By adopting an extremely advanced automatic line, with the help of a laser to make the most accurate slices, within an hour, this system can turn hundreds of fish into P…
Science story
The engineer brings his hands to the disabled children
Giving up a stable job, Mat Bowtell spent time making fingers and arms from 3D printing technology for children with disabilities.
Discover science
Attend the cleanest cities in the world
Thanks to the strict regulations related to garbage treatment, fresh air with lots of trees ... helped these cities become clean cities.
Conquer Mars
NASA chief scientist: We can find life on Mars in the next 2 years!
Jim Green, NASA's chief scientific officer, said they were nearing the point of discovering life on Mars, but he feared that the world was not ready for such a 'revoluti…
Archeology
The most expensive projection in the world, 200 years is still like new, no one can make the second
An ivory mat from the country is wrapped in brocade and placed in a very delicate wooden box of male carpentry, dubbed the most expensive in history, 200 years as new, u…
Archeology
The ruins of the ancient city of Puma Punku, Bolivia
Puma Punku Citadel is located in the city of Tiahuanaco, South America. Over time, the mysterious ruins of the ancient city remain challenges to the world.
Space science
China revealed a model of spacecraft to send people to the Moon
The China Space Technology Institute (CAST) released images of spacecraft design for 4-6 astronauts.
Animal world
Soldier does not catch the king cobra
With a few simple movements, the army soldier quickly suppressed the venomous snake and took only a minute to capture it in his hand.