1:25:57
Recommended
-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
1696
January 1, 1999 - January 1, 2003 Just around the corner from the Antarctic Peninsula, Pine Island Glacier has been the focus of scientific attention for many years. Observations over the past few decades have shown that glaciers have lost altitude and that the ice shelf groundin
"Space Observation" Antarctica's Pine Island Glacier
05/29
1163
Early detection and diagnosis of disease can greatly reduce patient mortality, but this process requires highly sensitive detection of biomarkers. Currently, most detection methods can only be performed in vitro and require very high concentrations of biomarkers or limit of detec
Helps detect and diagnose Alzheimer's disease earlier! Deeptech team realizes new low-cost ultra-sensitive detection method
05/29
1520
Manufacturing simulation of an unconventionally reinforced aircraft fuselage during automated fiber placement (Source: IFW) The results of biomimetic observations, topology optimization or feasibility in manufacturing do not always end up with the same geometry - in fact, Very fe
OptiFee-Optimization of aircraft fuselage enhancement layout
05/30
1509
The droplets or deposits formed by liquid-liquid phase separation can help cells assemble functional structures to help them perform normal functions. However, currently little is known about the localization rules of its formation rate and the causes of its specificity (1).
Nature | How to produce liquid-liquid phase separation droplets at regular intervals?
05/30
1054
Researchers such as Jiang Hao from the University of Virginia School of Medicine discovered that a tumor suppressor gene that is frequently mutated in a variety of tumors can function through liquid-liquid phase separation (1). The protein encoded by this gene is UTX.
Nature | Tumor suppressor genes can function through liquid-liquid phase separation
05/30
1628
For our country’s scientific and technological innovation in the past seventy years, we should be most grateful to the United States. Although “crossing the river by touching the American emperor” is a joke, it also summarizes the general idea of our scientific and technologi
When will there be another breakthrough in basic science? Where is our technological innovation going?
05/30
1506
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
05/30
1754
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
05/30
1627
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
1650
Relation Video
science Relation Video
Site video recommendation
science Latest News
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
1021
"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
1975
Some time ago, the world's first and currently only approved subcutaneous PD-L1 antibody drug was launched. As soon as the news came out, it sparked heated discussions among cancer patients. Many patients left messages asking what "subcutaneous PD-L1 antibody drug" is. Woolen clo
Complete a tumor immunotherapy in 30 seconds! The world's first subcutaneous injection of PD-L1 antibody drug is launched
06/01
1274
You may not know that some creatures in history were once considered mythical monsters, such as the Kraken spread among Nordic sailors, which was actually a real-life giant squid. The prototype of the creature Kaido in Japanese folklore is actually The Japanese giant salamander,
What were once thought to be mythical monsters are actually 8 real creatures
06/01
1221
If all deserts were turned into green spaces, it could have catastrophic consequences for Earth's entire ecosystem. For example, according to research conducted by NASA, dust from the Sahara Desert is carried by wind across the Atlantic Ocean to the Amazon rainforest, where it de
What if Earth’s deserts could be transformed into grasslands?
06/01
1646
Site Latest News
The immigration interview is the last step in applying for a U.S. green card, and it is also a very important step. Applicants for U.S. immigration and their spouses and children as secondary applicants must attend an interview. Therefore, when preparing for an interview, immigra
Visa interview at the U.S. Consulate: What problems may you encounter if you bring your children alone for the interview?
06/01
1811
#成风波波的生活# To be honest, I don’t know how to express my emotions in words. Maybe it’s because I’ve been in the world of words for too long and I’m really not used to the hustle and bustle of this world. I’ve had all the ineffective social interactions over the years. Rejected, it
Choose loneliness and then be profound
06/01
1235
Recently, both the pre-sold Leapmo C01 and BYD Seal have pushed the popularity of the pure electric sedan market segment to a climax. Compared with fuel sports cars, these pure electric cars usually have a more technological appearance, can easily reach the 3-second acceleration
Spending 200,000 yuan to buy a pure electric Changan Deep Blue SL03 will cost more than 500 yuan per month to maintain the car. Is this considered a saving?
06/01
1625
Recently, JAC Group officially announced that JAC Group, Volkswagen Group, Volkswagen Anhui and the Hefei Economic and Technological Development Zone Management Committee jointly participated in the signing ceremony of the Volkswagen Smart Logistics Project Strategic Cooperation
Hefei smart logistics pilot project signed, jointly constructed by JAC/Volkswagen
06/01
1379
Recently, MG released official images of the MG 4 pure electric version. The new car, internally codenamed "MGEH32", is a pure electric model based on a proprietary electric vehicle architecture.
Official images of MG 4 pure electric model expected to debut in September
06/01
1607
Recently, MG officially released the official pictures of the MG ZS Sports Edition. The official stated that the new car will be officially launched on July 13. Compared with the models on sale, the sports version has been optimized in many details, making the new car more aggres
Official images of MG ZS Sports Edition released, to be launched on July 13
06/01
1792