21:30
Ancient Craft Watching us From Orbit | The Black Knight Satellite
Recommended
science
Editor | Zimei Tissue-resident macrophages are important natural immune cells that are present in almost all tissues and organs of the body and play an important role in host defense, inflammatory diseases, maintenance of immune homeostasis, and tissue repair.
Peripheral monocyte-derived alveolar macrophages cause severe respiratory tract infections
science
She is Liu Yang. She officially entered space in 2012 and set an initial example for subsequent female astronauts. She is a sonorous rose that must be mentioned in the history of Chinese spaceflight.
How do female astronauts solve the "privacy" issue in space? Will blood flow backward during menstruation?
science
Henglu Biotech independently developed the synthesis route for HMOs. Shandong Henglu Biotechnology Co., Ltd. has completed two major breakthroughs in the field of HMOs: for the first time in the world, the annual ton-level production scale-up of biosynthetic LNTⅡ was achieved, an
Henglu Biotech independently develops a synthesis route for HMOs
science
Hubei Daily (Reporter Zhu Hua, Correspondent Tang Yue) Recently, the Provincial Department of Natural Resources organized a review meeting for the first batch of pilot county-level nodes of the Hubei Provincial Satellite Application Technology Center. The review experts listened
Wufeng Satellite Application Technology Center construction plan passed provincial review
science
do you know? The oil extraction process is quite complicated, and there is even a pipeline that is constantly spitting fire. What is going on? Oil is generally buried under the ground. If you want to find oil, you must use three-dimensional seismic detection technology, which use
Why is there a pipeline that keeps spewing fire when oil is being mined? Aren't you afraid of causing danger?
science
CCTV news: In the "14th Five-Year Plan", Hong Kong has a new important positioning as an "international innovation and technology center." Hong Kong has strong scientific research capabilities, but it also faces shortcomings such as land shortage. Under the blueprint of the Guang
Hong Kong opens a new chapter | Join forces! Relying on the Greater Bay Area strategy to develop an international innovation and technology center
science
If you were admitted to a mental hospital, among the many mental patients, how could you prove to the doctor that you were not sick? Some people will say that I am a normal person, and I must be different from a mental patient who behaves crazy. Doctors and nurses are not stupid,
In 1973, an American doctor conducted an experiment in which eight normal people were mixed into a mental hospital. What was the outcome?
science
Microcline Microcline has a triclinic crystal structure; composition: potassium aluminum silicate; hardness: 6; specific gravity: 2.56; refractive index: 1.52-1.53; birefringence: 0.008; gloss: glass to silk shape. Microcline is a kind of alkaline feldspar, which is colorless, wh
Properties and distribution of microcline feldspar
science
Spatiotemporal correlation between macrophages and exhausted CD8+ T cells in tumors Matthew F., University of California, San Francisco, USA.
Spatiotemporal correlation between macrophages and exhausted CD8+ T cells in tumors
science
Why can't humans break free from the laws of nature? Humans, like other animals, need to eat, physiologically mate, breathe air, drink water, and follow the laws of birth, aging, illness, and death. So why can't humans break away from these natural laws? I researched and summariz
Why can't humans break free from the laws of nature?
Relation Video
science Relation Video
Site video recommendation
science Latest News
science
When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan
If you drop an egg from an airplane, will it be cooked when it hits the ground? I can't eat it anyway
science
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
science
Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it
Scientists have discovered that human cells can make human cells 30 years younger. Can people really rejuvenate themselves? How to do
science
There are many plants similar to leeks in our countryside, and people collectively call them wild leeks. Today we are going to talk about a wild plant that looks very much like a leek, but it only eats the flowers and not the leaves. Its name is water leek. For some southerners,
The wild grass growing by the water looks like a leek. It is known as the "giant panda" among plants.
science
The impact of the earth's geological conditions on life is obvious. Different geological environments, such as deserts, mountains, forests and oceans, correspond to different organisms.
Scientists establish a new mineral classification system that will help interpret the earth and search for extraterrestrial life
science
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
Site Latest News
science
After the founding of the People's Republic of China, it began to implement unified management of former war criminals. A large number of them were war criminals from the puppet Manchukuo State left over from the Anti-Japanese War.
Puyi "went to Jiangnan" for the first time after being pardoned: He should have been happy, but he kept crying all the way
science
Since the founding of the People's Republic of China in 1949, my country's foreign policy has been moving closer to the socialist camp, commonly known as "one-sided". As the big brother in the socialist camp, the Soviet Union has also provided a lot of help for the development of
In 1969, China and the Soviet Union were at odds with each other. The Soviet Union planned to launch a nuclear attack on my country, but Chairman Mao cleverly resolved the conflict.
science
I will retire in a few years. How to manage your retirement life? After some initial thought. 1. Take good care of your grandchildren. My children are very busy at work, so I help them take on some of the tasks of taking care of the grandchildren and doing housework. They are hap
How to manage your retirement life? Do 7 things well
science
Hello everyone, this is Xiaohui talking about delicious food. Parents must pay attention to supplementing calcium for their children during their growth and development. Today Xiaohui recommends eight home-cooked dishes that are more calcium-supplementing than calcium tablets. Do
Children grow slowly. I recommend 8 home-cooked dishes that are more calcium-supplementing than calcium tablets. Parents who don’t eat them will be saved.
science
As a typical post-70s generation, 40-year-old Ma Li finally gave birth to her second child. Compared with the time when my eldest child was born, this time it was obviously much smoother and not as painful as before. When the husband saw that his wife had given birth to his secon
Is having a second child really easier than having a first child? Don't be embarrassed, it's the truth
science
Zhongshan East District Lide Buick Buick GL6 is now for sale, with optional colors. Some models are available for purchase now at the Lide Buick 4S store in Zhongshan East District. There are many discounts, great prices, and multiple car-purchasing gifts waiting for you! When yo
Buick GL6 offers a limited time discount of RMB 28,000, welcome to take a test drive