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A few days ago, the Event Horizon Telescope (EHT) collaboration held simultaneous press conferences in various places around the world, including Shanghai, to show the public the first photo of the supermassive black hole at the center of the Milky Way. Similar to the first black
It took 5 years of "photography" and "development", but the imaging process of the first photo of the black hole in the center of the Milky Way was so difficult
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1953
Introduction: If you want to deeply understand the general theory of relativity, first answer these 6 questions about the equivalence principle. Let’s talk about the relationship between gravity and quantum mechanics again - Spirit Escaper If you believe that gravity is a geometr
To deeply understand general relativity, let’s answer 6 questions about the equivalence principle.
05/15
1979
The imagination of the masses is the art of creation, and it is also the shackles of self-improvement. In 1981, Hilary Putnam put forward a conjecture in "Reason, Truth, and History": A person's brain was cut off from the body and put into In a tank containing a nutrient solution
Metaverse - "the ultimate dream" or "just a fantasy"?
05/16
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As living conditions improve day by day, more and more families own cars as a means of transportation. At the same time, tens of millions of cars are scrapped every year, along with a large number of discarded car tires. We all know that car tires are rubber products, similar to
How to deal with the tens of millions of scrapped tires every year? Study finds used to pave roads to make them stronger and more heat-resistant
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The first people to believe in some form of spontaneous generation were hundreds of years ago. In the 17th century, a number of respected figures in science, such as Francis Bacon and William Harvey, accepted this theory. However, in the 19th century, Louis Pasteur and other scie
Wonderful life - 2. Can life happen by chance (Part 1)
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But if you ask who the modern rain god is, most people surfing the Internet should be able to answer immediately, and that is Jam Hsiao. People say that this long-lasting rain occurred in the Triassic Period 233 million years ago, and it cannot be said that this rain fell for mor
There was a rain on the earth that lasted for more than 2 million years. Is it possible to happen again in the future?
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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?
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1718
Everyone’s genome has various variations, like precious “mutants”, which provide important materials for studying gene function (1).
Nature | Analysis of 454,787 human protein coding sequences reveals the impact of genetic variation on health
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1211
Hello, everyone, this is the Yi Nao Cloud Research Circle, I am Qiuqiu~ As we all know, the replicability of research is crucial.
Dry information | fMRI standard reporting guidelines are newly released, come and increase your knowledge
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On this day of national celebration, Yuhong Biology celebrated the Party’s birthday and the 17th anniversary of Yuhong Biology’s founding in the form of expert technical exchange lectures and a literary and artistic celebration party. About 60 people from Yuhong Biology’s family
"Yu" meets "magnesium" and we share the industry together - the celebration of the 17th anniversary of the establishment of Yuhong Biotech was successfully held
05/15
1941
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Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland".
Commissioned by the National Bureau of Investigation, this major achievement was officially released! It is the first time in the country for an academician to write a preface!
05/17
1924
1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”
19 photos of natural beauty that will completely mesmerize you
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1539
Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to
"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?
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1119
On July 3, Typhoon Siam made landfall in South China and is pouring rain in many places in the south. Typhoon Airi is moving in the Western Pacific. Today, its center has moved into the East China Sea, bringing refreshing blue sky and white clouds to many places in the Yangtze Ri
rare! As hot and high pressure climbs up the Tibetan Plateau, will there be problems with the glaciers? Analysis: Northwest or extreme heat
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As we all know, there are two space stations in Earth orbit today. One is the International Space Station, which has been operating for more than 20 years, and the other is the Chinese Space Station, which has only been operating for one year. The International Space Station is i
Among the Chinese, Russian and American space station cabins, whose sleeping area is the best? The Tianhe cabin sleeping area is simply a luxury version
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Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for
"ACS Nano" from Tianjin University's Wu Hong/Jiang Zhongyi team: charged nanochannels in covalent organic framework membranes achieve efficient ion interception
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1899
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I was walking with my friends in the evening. At the intersection, the crowd was crowded, and it seemed like there was a dispute. From a distance, we heard a person complaining loudly: "I just want to argue like this."
Ye Ting|"The rest of your life is precious, don't waste it on bad people"
05/17
1933
The tenacity of mountains and the tenderness of water tempt us to read "Mountains and Waters" over and over again. The mountains are covered with green, and the valleys are covered with cicadas. We climbed up the stairs, listened to the sounds of nature, and looked at the miracul
【Out of Color in the Sky】Reading the Mountains and Tasting the Waters at the Source of Tangxi
05/17
1895
Confucius once talked to the students about their political ambitions. The three of them were all very ambitious people and wanted to govern a country and manage it well.
There is no shame in being ordinary, and you can live the way you want
05/17
1889
For Xiaohu, this was not only a hotel trip, but also an experience of Renaissance’s “Night, Inspiration, Renaissance” brand project with musician Tanya Tanya.
I attended a Tanya Tanya concert at the Renaissance Hotel on the shores of Taihu Lake in Suzhou.
05/17
1213
Tanya explained: "I think this is a song that needs to go on a journey, so the preparation of the MV also took a lot of thought." At the same time, there has always been only one candidate in Tanya's mind as to who to film this MV, which is particularly important to her, and that
Tanya Tanya's "Suicide Note" MV premieres, teaming up with director Yu Jingping to interpret the true meaning of life
05/17
1951
Photo by Qian Xingqiang, China News Service 15 years ago, there were more than 3,000 record stores in Beijing. There are a dazzling array of albums, and the young customers' eyes wander back and forth in front of the shelves, wondering which album to leave their limited pocket mo
Record stores under the Internet trend not only have "CDs of the past"
05/17
1995