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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?
05/16
1713
As a scientific researcher, Wu Jianhua has been talking a lot recently. Rumor has it that the Chinese Academy of Sciences' neutrino laboratory 700 meters underground in Kaiping, Jiangmen, Guangdong, injected 20,000 tons of water on June 27. After that, people could no longer see
The deepest secret in Guangdong, 700 meters underground
05/16
1712
A strange crystal that scientists have never seen before. Strange crystals under an electron microscope. Taskaev On February 15, 2013, a mysterious fireball streaked over Chelyabinsk in southern Russia. According to estimates, scientists believe that this is an asteroid with a di
Nine years after a mysterious fireball fell in Russia, scientists discovered something strange there
05/16
1818
Omicron subspecies BA.4 and BA.5 are rapidly sweeping the world and becoming new popular subspecies. The S proteins of BA.4 and BA.5 are the same at the protein level, but are different from the S protein gene mutations of BA.2.12.1, but are they different from BA.1 and BA in ter
BA.4/BA.5 subspecies are “more cunning” and most monoclonal antibodies are ineffective
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1831
1. Morphological characteristics: The body wings of Star Beetle are black, with multiple white spots on each elytra. Its body length is 50mm and its head width is 20mm. The body color is bright black; there is a white spot on the left and right sides of the front and back of the
Feiben Classroom - Star Beetle
05/16
1952
The topic of genetic engineering, just like AI technology, has always been a mysterious territory in our hearts. But they seem to be closely related to our lives and even affect the development of human progress.
Maybe there is a code for love hidden in human genes itself
05/15
1706
Do you know why mosquitoes prefer to bite you instead of others? First, the mosquitoes that bite you are usually female mosquitoes because they need to absorb nutrients to lay their eggs. Secondly, mosquitoes rely on smell and temperature to find prey, and can keenly sense the su
Popular science knowledge: Do you know why mosquitoes don’t bite others but prefer to bite you?
05/16
1924
Jeffrey Sachs, chairman of the Lancet COVID-19 Committee, said: The new coronavirus does not have any natural origin. Rather, it was produced in an accident in a US biotechnology laboratory.
Chairman of the Lancet COVID-19 Committee: The virus may have originated in a US biological laboratory
05/16
1693
First, let’s take a bird’s eye view of the planet below our feet. Next, if you look carefully at the pictures and text below, you will be very shocked... ▼Every day, there are so many people flying around on the earth, just like in the picture below. ▼The population in the circle
Very interesting map
05/16
1821
Health trackers worn on the wrist may detect coronavirus infections days before symptoms appear. The British Guardian reports that more and more people around the world are using these devices to monitor skin temperature. , changes in heart and respiratory rates. A new study show
Can the "Scientific Power" health bracelet detect the new coronavirus? Is this reliable?
05/16
1718
Relation Video
Molecular Biology #2 2020...
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science Relation Video
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Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in
What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?
05/18
1428
I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na
An insect pocket book that brings you closer to nature
05/18
1720
We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi
Could it be said that humans more than 12,000 years ago really existed?
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1065
@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag
Seven exotic species, one relies on breeding and one is prohibitive
05/18
1704
When you see a cockroach, do you still kick it and send it to its death? As everyone knows, if you do this, not only will the number of cockroaches in your home not decrease, but they will increase in number. So, why does this happen? The more cockroaches you fight, the more cock
Don’t step on cockroaches in your home! How to control cockroaches that are still alive even though their heads are severed?
05/18
1074
The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a
Fragrant garden | "Pteridophylla fern", the "living fossil" of the plant world
05/18
1059
Site Latest News
Relying on Zhao Rui's strong breakthrough and layup at the last moment to score 2+1, the Chinese men's basketball team trailed the Australian men's basketball team at 29:30 at halftime. There is no doubt that compared to the previous game between the Chinese men's basketball team
The Chinese men's basketball team trailed the Australian men's basketball team at halftime
05/18
1435
#If Apple was also a domestically produced mobile phone, would you still choose Huawei# If Apple was also a domestically produced mobile phone, then...maybe a lot of things will happen, it's really hard to tell clearly! First of all, what I may be most concerned about is when did
If Apple became a domestic mobile phone, would you buy an Apple phone or a Huawei phone?
05/18
1041
Shortly after the founding of New China, Premier Zhou received a letter from Japan. The content of the letter was a daughter's true longing for her father. In 1945, Pu Jie and his wife and daughter had no choice but to separate the two places. For many years after that, his wife
In 1960, Pu Jie wanted to bring his Japanese wife to China. After seeing the photo, Premier Zhou said: There is one condition
05/18
1993
During the Zhengtong period of the Ming Dynasty, there was a man named Chen Dongchu in Jiangning County, Yingtian Prefecture. This man was from a well-educated family, but he married a local widow. This widow is no ordinary person. Her name is Lin Shiwan. She is one of the most t
A man married a widow and died three days later! The county magistrate sniffed under the drill press: The real murderer was found
05/18
1744
In the Battle of Tewkesbury in 1471, the 17-year-old Henry VI's only son Edward died in battle. Henry VI, who was ousted again, died soon after. As for how he died, it is not important. What is important is that Lancaster All the direct heirs of the dynasty have died.
The War of the Roses (3) The Unexpected Winner
05/18
1554
Cai Yuanpei, even those who are not familiar with history, must have heard his name. As a pioneer of China’s educational revolution, Cai Yuanpei has made significant contributions to the reform of Chinese education and cultivated generations of students with advanced ideas. Chair
In 1931, a Henan female college student angrily slapped 65-year-old Cai Yuanpei. Who was she? How does it end?
05/18
1005