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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
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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
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By examining the gel, which is formed from an exfoliating solution with added silica nanoparticles and solidifies as the temperature increases, the scientists discovered an unusual and previously unknown optical phenomenon. At 29 degrees, the gel transmits only red light, and at
Scientists create simple filter material with tunable wavelength transmission
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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.
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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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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
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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
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Amazing Nature (17 Photos) 1 "There's an albino mole in my yard, odds of 1:100,000." 2 "My drain pipe was clogged so I pulled it up and a frog came out ."3"My first glowing beetle pupa hatched yesterday." 4"I found a little snail crawling on a spider's thread outside my house."5.
Amazing nature (17 photos)
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The topic of genetic engineering, just like AI technology, has always been a mysterious territory in our hearts. But they seem to be closely related to our lives and even affect the development of human progress.
Maybe there is a code for love hidden in human genes itself
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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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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!
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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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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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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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Some people gradually stop contacting them, not because they are far away from each other, but because there is no suitable reason to contact them and no suitable opportunity to meet them. They can only keep them in their hearts, recall them occasionally, and miss them occasional
I haven't forgotten, I just don't want to mention it
05/17
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Today I’m going to tell you, if you get 200 points in the college entrance examination, should you still go to college? Different people must have different opinions when it comes to this. Everyone has different ideas, so everyone's choices are also different. The following point
I have passed more than 200 points in the college entrance examination, should I continue to study in a junior college?
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Link: Testianxia Psychological Network - Provides psychological counseling services and shares mental health knowledge (free psychological testing, psychological help) User A replied: Anything that is unrealistic will sooner or later encounter reality in one way or another. Gener
Do you get into trouble because you have a particularly positive attitude?
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Just recently I have been troubled by a question. I believe most of us have the same question as me: Is your choice really your own choice? A good person must be a good person? Are bad guys always bad? Nothing in this world is good or bad, it's just the criteria we make for judgi
Is your choice really your own choice?
05/17
1727
"Spring and Autumn", in the spring of the third year, Wang has already passed the second month of the month, and there is an eclipse on the sun. In the third month of Gengxu, the King of Heaven died. In the fourth month of summer, Xin Mao, the Jun family died. In autumn, Wu's son
Spring and Autumn Period·720 BC
05/17
1100
Author: No. 1 Emotional original work, plagiarism must be investigated. In marriage life, couples need to maintain a state of "yin and yang in harmony and complement each other." If two people are too strong, conflicts will inevitably break out, which will affect the relationship
Characteristics of a man marrying the right person: Weak
05/17
1995