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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
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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
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Virology is primarily concerned with viruses that are pathogenic to humans or other species of which we are most concerned. During the novel coronavirus pneumonia epidemic, scientists have conducted a lot of research on SARS-CoV-2, the pathogen that causes infection.
Research on new viruses and new hosts will vigorously promote the development of virology
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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
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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
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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?
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Researchers such as Stefano Piccolo from the University of Padua in Italy discovered that YAP/TAZ, a key factor in mechanical force signaling, plays a key role in cellular aging.
Nature | Mechanical force signaling cascades to immune regulation of cellular senescence
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As we grow older, we always seem to lose something. Many people who move from remote villages to metropolitan areas always lament that since arriving in the city, they can rarely see the bright Milky Way. Due to various reasons, we all seem to have lost the opportunity to "apprec
Why is it so hard for us to see the Milky Way now? In a hundred years, humans may not be able to see a single star
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Did you know that the human brain is the most sophisticated and important organ in the world. It is composed of 200 billion brain cells, can store 100 billion pieces of information, generates thoughts that travel more than 300 miles per hour, has more than 100 megabytes of interl
Intellectual training 365 questions
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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.
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HIV today, gone tomorrow?...
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A new Tel Aviv University study proposes a new AIDS treatment that could be turned into a vaccine or a one-time treatment for HIV patients. The study looked at modifying type B white blood cells in patients so that they release anti-HIV antibodies in response to the virus.
Scientists propose potential AIDS treatment: HIV may be defeated with a single injection
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Shape memory polymers have broad application prospects in biomedical and mechanical engineering. However, most shape memory polymer programming processes require heating, such as water baths and oil baths. However, this environmental indirect heating method has limited heating ra
Jilin University and Huazhong University of Science and Technology joint research-shape memory polymer co-extrusion 4D printing strategy
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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”
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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.
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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?
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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.
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During the Spring Festival, many people who choose to travel to celebrate the New Year find that the souvenirs in many domestic scenic spots "basically look the same." Tourist souvenirs lack regional characteristics, lack creative development, and are highly homogeneous.
Fan Zhou: Tourist souvenirs must remain “authentic” and “special”
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Fans have been clamoring for Jay Chou's new album for a long time. You know, it has been six years since Jay Chou last released a studio album "Jay Chou's Bedside Stories". On July 4, Jay Chou posted a selfie on social media with the text: "You will know in two days", looking for
Jay Chou posted a selfie to hint at the progress of his new album, and Douban apologized for releasing it in advance
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On July 1st, Jay Chou officially announced the latest news about his new album. In the photo, Jay Chou and his friend Gary are leaning against a coffee cart with electric guitars respectively. Some netizens speculated that this may be the cover photo of the new album.
Jay Chou officially announced the premiere date of his new album "The Greatest Work" and will meet fans on July 6
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On the evening of July 5, Jay Chou posted on his personal social platform that "Tomorrow is the day" and included a picture of him looking at the beach in the distance. Why did Jaylen say this? I believe many netizens know that this is because Jay Chou's new album is coming! In o
Jay Chou posted a message saying, "Tomorrow is the day." He released a new album after 6 years, and the number of pre-orders exceeded 4 million.
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On July 1, Jay Chou officially announced that his new album "The Greatest Work" will premiere on July 6 at 12 noon. According to media reports, according to previous news, the album will have 12 songs. In addition to old partner Fang Wenshan, he has collaborated with big names su
Jay Chou officially announced that his new album will premiere on July 6th. Are you looking forward to it?
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[Source: Yinchuan Radio and Television Station Information] Before the operation, a 26-year-old woman had her ears pierced on the street, and unexpectedly developed a pimple... Ear piercing is the choice of almost all beauty lovers. Some people get it done in street shops, and so
Shocked, a 26-year-old Ningxia woman developed fleshy bumps on her ears! Just because I had my ears punched on the roadside...
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