Science on the Planet_Knowledge Daily Special Author_Baidu Know

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Why did the trampled cockroaches not be cleaned up the next day?

Obviously, the cockroach has been trampled to death. When he turned around, the body of the cockroach was gone? So where did the cockroach go?

Read 9
Is the gold content stored in the Potala Palace half that of the world?

The Potala Palace is located on the Mabuli Mountain in the northwest of Lhasa, the capital of the Tibet Autonomous Region of China. It is the highest elevation in the world and includes castles, palaces and monasteries. It is also the most complete and huge ancient palace in Tibet.Fort building.

Reading 21
Why didn’t the sunfish that were half eaten and didn’t know how to resist, wouldn’t it go extinct?

Wildlife photographer Herman took an unexpected scene while diving. A sunfish was being chased by a seal, and most of the sunfish’s body had been bitten off by the seal, but the sunfish took it calmly.", there is no meaning to panic or run away, why is this?

Reading 21
In ancient times, the nine tribes were imprisoned, why did no one escape?

After the Qin Dynasty, the clan penalty was included in the code. In the subsequent dynasties, the clan penalty has also been used, resulting in the punishment of "punishing the nine tribes" and "destroying the ten tribes."At that time, did the other people of the offender really have no way to escape?

Reading 27
How long does artificial rainfall usually last, and how much does it cost?

Artificial precipitation is to choose the right time according to the physical characteristics of different clouds, and use airplanes, rockets, etc. to spread catalysts such as dry ice, silver iodide, and salt powder into the clouds to promote precipitation or increase precipitation in the clouds, so as to achieve precipitationThe purpose of this. How much does it cost to increase rainfall?

Reading 10
Why didn't the Three Gorges Dam empty the water before the flood season?

The Three Gorges Dam is the world's largest hydroelectric power generation project. Since July, my country has entered a flood season, and many places have suffered precipitation that has not been seen in a century. Why does the Three Gorges Dam discharge flood during the flood season?

Reading 11
If the earth becomes as big as Jupiter, what impact will it have on our lives...

The center of the solar system is the sun. Our earth also gave birth to life because of the existence of the sun. But the earth’s current prosperity cannot do without Jupiter’s credit. In addition to the sun, Jupiter is the largest planet in the solar system. If the earth becomes harmoniousAs big as Jupiter, what impact will it have on us?

Read 5
Liu Yang, China's first female astronaut, why went to space without giving birth?

It is said that in the selection of female astronauts, there is an unwritten international rule that when choosing female astronauts, priority must be given to those who are already married and have children. However, Liu Yang, the first female astronaut in China, has no children.What is going on here?

Reading 194
A "miracle" appeared in the desert. Two years of rainfall in one day, it turned out to be...

There is a place in the world, the Rub Khali Desert, which can be said to be one of the driest deserts, but after a heavy rain in this place, the precipitation reached 278 mm in one day, and even someLake, why is this?

Reading256
What is the "fuel" of the sun and how is it composed?

If you disassemble the sun, you will find that the sun is made up of 74% hydrogen and 24% helium, as well as 1% oxygen and 1% iron, nickel, oxygen, silicon, sulfur, magnesium, carbon, neon,Calcium and chromium, etc. The sun is a plasma, the fourth state, a fireball of high temperature and high pressure.

Reading 103

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