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But not being able to see it does not necessarily mean it does not exist. Physicist Stephen Hawking once warned humans: Do not expose the earth’s information at will to avoid attracting alien civilization.
A 300-million-year-old "screw" reveals the true appearance of the earth before the birth of mankind
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Last night, Lao Wen didn't sleep well. Lao Wen has been thinking about a question: What should we do? The Director of the Aeronautics and Space Administration of the United States said that China stole their ideas to occupy the moon and make the moon its own. This is loose, and t
Who should we steal this time?
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The characteristics of ceramsite lightweight partition boards can be summarized in eight words - safe, comfortable, fast, environmentally friendly ceramsite wall panel production sample ceramsite partition boards are made of cement and ceramsite slurry mixed, foamed and solidifie
A new type of environmentally friendly building material - ceramsite wall panels
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The crane stretches its neck and legs in flight, with a graceful and smooth posture. Cranes are excellent high-altitude fliers. Gray cranes (pictured) fly at altitudes of more than 9,000 meters as they migrate across the Himalayas - equivalent to the altitude of a jetliner. Crane
Red-crowned cranes, whooping cranes and other cranes are slowly becoming endangered wild animals...
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When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan
If you drop an egg from an airplane, will it be cooked when it hits the ground? I can't eat it anyway
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Introduction: A short, stemless plant in the mountains has a strange name and is known as "Duyiwei". Its functions are comparable to "Jinchuang Medicine". Our country has a vast territory, rich wild resources, and wide distribution. Whether in meadows, fields, or even mountains,
A short, stemless plant in the mountains, known as "Unique", its functions are comparable to "Golden Medicine"
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01: Thirty-three years ago, this nurse took care of the birth of a man; 33 years later, this nurse took care of the birth of this man's son. 02: Do you think all cheetahs are the same? If you look carefully, there is a big difference. The African cheetah is on the left and the As
You don’t know if you don’t know, 35 rare comparison photos will help you re-understand the world
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1771
Studies have found that astronauts on six-month missions experience bone loss equivalent to 20 years on Earth - space travel also puts stress on the cardiovascular system and increases radiation exposure. An academic-led study of astronauts has revealed the devastating effects of
Astronaut suffers 'significant' bone loss on space mission - sparking fears about journey to Mars
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The earth's temperature is rising, extreme weather conditions are increasing, green vegetation is decreasing, the ecology has been damaged, and wild animals are facing the risk of extinction.
We are familiar with “environmental protection”, but what is its specific connotation? What should we do about it?
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1713
It is estimated that many people have seen the scene of "dragon sucking water" on the Internet. In the sky covered with dark clouds, a thick water column rises from the water surface and goes straight to the dark clouds in the sky. It seems that some kind of material and substanc
The rare spectacle of dragons sucking water has been frequently performed in my country recently! What draws water up to the sky?
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According to a recent report by Germany's "Bild", Nielsen said in an interview with the media that he was very uncomfortable with China's space program, especially the signing of a memorandum of understanding with Russia "on cooperation in the establishment of an international lu
Does China want to occupy the moon? Nelson's heart is as ugly as his appearance
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1124
Recently, a latest research jointly conducted by Chinese and foreign scientists successfully achieved direct imaging of the protostellar disk at the center of the Milky Way, "seeing" the "cradle of stars" at the center of the Milky Way for the first time. According to Chinese res
Dianjing Technology|Humanity “sees” the protostellar disk for the first time
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1052
In recent years, our country has raised the concept of environmental protection to an unprecedented new level. The vast majority of Chinese people no longer miss the days when wild animals were regarded as food. Everyone naturally regards living creatures as neighbors and even fr
In order to protect the cubs, female bears in the wild have learned to seek help from humans and deal with violent males in estrus.
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1018
Xinhua News Agency, Xining, July 3 (Reporter Li Ning, Geng Huihuang) Brown bears passing through the forest, graceful snow leopards, playful and cute desert cats... In recent years, as the ecological environment continues to improve and the ability to capture the traces of living
Please note! There are brown bears and snow leopards here
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1157
Recently, scientists discovered that two previously dead stars collided and combined to create a new star that burns hundreds of times as brightly as the sun and is covered in carbon and oxygen, the ash byproducts of helium fusion. Like fiery phoenixes, some stars may explode in
Two Death Stars collide and combine to create a new star
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1021
In 1938, a fishing boat was fishing near the Comoros Islands near Madagascar and caught a very strange-looking fish.
A "fish" with four limbs was found in the deep sea, weighing up to 100 kilograms and with purple scales. What exactly is it?
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1699
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In 1988, 32-year-old Zhang Fengyi married 28-year-old Lu Liping, and gave birth to their precious son Zhang Boyu within five months of their marriage. On the surface, the marriage between the two was caused by drama, but in fact, it was not as simple as people imagined.
When I look at Zhang Fengyi again 8 years later, I realize that he would rather bear the infamy than attend his son’s wedding.
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1819
This variety show caused a lot of controversy on the Internet once it was launched. The first episode was hotly searched for its famous scene of "Nine Awkward Minutes in Taohuawu". Netizens sympathized with it and felt as if they were witnessing their own workplace life.
Domestic variety shows that have been hit hard by bad reviews are on the hot search again, and veteran drama stars are becoming targets of verbal and written criticism.
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1503
In March, China's first domestically produced aircraft carrier Shandong returned to its "natal" Dalian Shipyard to start maintenance work. This was also the first time the Shandong aircraft carrier returned to port for large-scale maintenance 27 months after joining the South Chi
The Shandong ship undocking and then launched into the water, two J-15D models appeared on the deck, and the "Electric War Shark" is expected to be installed
05/18
1024
After the Qin Dynasty's reforms and reforms by Shang Yang, the country's strength gradually increased, and it achieved good results in all aspects, whether military, economic, or cultural.
Strategists during the Warring States Period were an uncertain factor that could change historical changes.
05/18
1660
In 262 BC, King Kaolie of Chu made Huang Xie the Prime Minister of Chu State and granted him the title of Lord Chunshen. He also awarded Huang Xie 12 counties north of the Huaihe River. Huang Xie was naturally very grateful to be so appreciated by King Kaolie. He saw that King Ka
Chun Shen Jun Huang Xie: Giving his pregnant wife to the King of Chu laid the foundation for the future annihilation of his family.
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1554
Among them, the State of Qi uses the Qi script, the State of Yan uses the Yan script, the State of Chu uses the Chu script, the three families of Han, Zhao and Wei have the same origin and use the Jin script, and the State of Qin uses the It was bronze inscriptions, which was lat
Before the Qin Dynasty unified the six kingdoms, how different were the writing systems in each country? Why did Qin Shihuang want to unify the writing system?
05/18
1669