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July 1, 2022 Summer in Alaska has always been described as short and mild. In the early summer of 2022, the prominent word is smoke. In multiple scenes in June and early July, the Visible Imaging Infrared Radiometer Suite (VIIRS) satellite on the NASA-NOAA National Polar Orbiting
"Space Observation" Alaska's Smoky Summer
05/31
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-196°C, which is a temperature that makes people feel very strange, and this number is the liquid nitrogen temperature at which umbilical cord blood hematopoietic stem cells are safely stored. So, why should umbilical cord blood be stored at this temperature? Can the quality and
Can the quality and quantity of umbilical cord blood stored in liquid nitrogen at -196°C be maintained?
05/31
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The device is mainly used to construct the three-dimensional stress environment of rock samples under formation conditions. It uses real fracturing materials and fracturing processes to conduct fracturing simulation experiments. Its technology is leading and can simulate in-situ
[Industrial Development] A 10,000-ton ultra-large hydraulic fracturing simulation experimental device was “born” in our city
05/30
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Walls can be seen everywhere in our human society. They are not only barriers to protect us, but they can also be seen as cages to imprison us. In addition to these walls that we can see in life, astronomers have also discovered "walls" in the universe, as if someone deliberately
The "cosmic wall" was discovered, and researchers were panicked: Are we really the experimental subjects?
05/30
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Denise Kühnert and other researchers from the Max Planck Institute in Germany extracted hepatitis B virus sequences from 137 early human samples located in western Eurasia and the Americas from about 400 to 10,500 years ago and analyzed their evolution.
Science | The evolution of hepatitis B virus over the past ten thousand years
05/30
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This animated image confirms the location of the newly formed rocket body's twin craters. The first half is a view taken by the Lunar Reconnaissance Orbiter on February 28, 2022 (M1400727806L); the second half is from May 21, 2022 (M1407760984R). The width shown in the picture is
A mysterious rocket of unknown origin created two craters on the moon.
05/30
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Production and use of cell cycle synchronization demonstrator "Cell cycle" refers to the entire process that a cell goes through from the completion of one division to the end of the next division. It is divided into two stages: interphase and division. Interphase includes G1 pha
Production and use of cell cycle synchronization demonstrator
05/31
1378
In people's daily life, there are everywhere the imprint of "7": there are seven emotions in the human heart and seven orifices on the face; in the digital world of the human soul, there is probably no number more closely related to people's lives than the number "7". Tighter, mo
Trivia - the meaning of the number "7"
05/29
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"Golden Heart Double Color" Bougainvillea Petunia "Guangzhou No. 1". The flowers are huge, with a diameter of up to 10 centimeters, one-third larger than ordinary petunias. It is especially suitable for the hot and humid weather in Guangzhou, and is suitable for various planting
How many of these new varieties do you know?
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Many people think that their current location is "family room", "toilet", "neighborhood convenience store", "park bench", etc., but this is only understandable information in ordinary people's lives. In fact, humans are on the earth, and the earth rotates on its axis and revolves
Where are you in the vast universe?
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Amorphous calcium carbonate (ACC) calcium supplement developed by Israeli biotech company Amorphical was tested in space and results show that it can improve muscle performance in zero gravity. , strengthen and build bones, provide body functions, and enhance immunity.
Technology Frontier | Israel’s innovative ACC technology opens a new era of “space settlement”
06/01
1646
In mid-to-late June, a professional monitoring found that Chinese horseshoe crabs were found all over the coastal tidal flats of the Hepu Dugong National Nature Reserve in Guangxi. The maximum density per unit quadrat was as high as 53.1 birds/100 square meters, ranking first in
With a density of 53.1 horseshoe crabs per 100 square meters, the density of horseshoe crabs in Guangxi ranks first in the country.
06/01
1214
There are no identical creatures on the earth, and there are no identical individuals. Even identical twins will have such differences. However, scientists have concluded that there is only one ancestor of these various creatures living on the earth. Then the creatures on the ear
How is the direction of biological evolution determined?
06/01
1334
Volcanoes are a common landform feature that give us the impression of danger, high temperature, and poison. Once we encounter a volcanic eruption at close range, our lives are likely to be in danger. This is relative to public perception, and is more based on the fact that the p
Do you think that you will definitely die if you fall into the volcanic lava? In fact, you are not.
06/01
1799
In the ocean of knowledge, your wisdom is just a grain of sand or a drop of water. All we have is a hungry heart, and we must constantly comfort it with knowledge.
Always stay hungry, keep learning, keep growing
06/01
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"The world's first glacier microbial database launched" led by China has published its research results in the journal "Nature Biotechnology". In this study, the Pan-Third Pole Environmental Center of Lanzhou University collaborated with the Institute of Tibetan Plateau Research
Should humans be wary? Tibetan glaciers or nearly 1,000 unknown microorganisms are exposed, and the Tibetan Plateau has changed
06/01
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In the 1970s, many photographers took precious photos of Chinese scenery and humanity. Now, we have compiled and interpreted 10 photos in each series to recall that unforgettable time and pay tribute to the original author who recorded these moments!
Old photos of China in the 1970s (41)
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Important notice: The deadline for the second "Southeast Buddhist Cup" Buddhist Culture Photography Exhibition has been extended to September 15, 2022. As early as the Southern Song Dynasty, Hangzhou was the Buddhist cultural center in East Asia and was known as the "Southeast Bu
Notice of extension of submission deadline: @好photo friend, if your photos have a Zen feel, you can continue to submit.
06/01
1216
It was 1982. Team leader Jin Shu and coach Shen Jianqiu were leading the Chinese women's tennis team to participate in the Fed Cup international tennis competition held in the United States. In the next game, the Chinese team will face the world's strongest team, the German team.
Hu Na, China's first sports traitor: disappeared before the game in 1982, returned to China at the age of 51 to make money and attracted public outrage
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Before this year's Wimbledon, you wouldn't be surprised if you didn't know who Emma Raducanu was. In the women's singles match of the US Open on September 12, 18-year-old British girl Emma Raducanu defeated Canadian player Leila Fernandez and won the Grand Slam championship. She
An 18-year-old Chinese-American girl became a goddess in the US Open. With elite parents and a British education, her success is no accident.
06/01
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After the ball is hit lightly, you can barely hear the sound of the ball bouncing back and forth on the grass; you can't even hear the sound of the coin falling; you can only hear the echo of the impact of the racket and the air after each hit.
The Wimbledon Center Tennis Court is so quiet and beautiful - Translation of "Nadal's Autobiography" (1)
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Regarding the treasonous act that year, Hu Na said in an interview with "Reference News": "I just wanted to become a professional tennis player too much. In 1979, I watched the famous player Evert's match at Wimbledon Center Court. After that, I had a strong dream that I must sta
After treason, she was granted asylum by the United States and became an American citizen. She won numerous championships for the United States. She said this after returning to China to make money 32 years later.
06/01
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