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More than 50% of the stars in the universe belong to binary star systems. About half a century ago, astronomers proposed a theoretical prediction that binary stars would sometimes form a shared envelope during their evolution. Until recently, Chinese and Australian astronomers jo
How to dance the stellar "pas de deux"? Chinese and Australian astronomers found for the first time direct evidence of shared envelope evolution of binary stars
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Many oligonucleotide drugs require modifications where their phosphate bonds are connected to improve their absorption efficiency and stability (1). Oligonucleotide drugs usually need to be modified to improve stability and absorption efficiency (1). However, this also brings abo
Science | More flexible oligonucleotide synthesis
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Chang'e-5 returned to Earth with "fresh" lunar soil samples. While we are still immersed in the joy of the lunar exploration project, NASA in the United States cannot sit still. Their director suggested that China share the soil brought back by Chang'e 5, just like they did with
NASA director made suggestion: China should share Chang'e 5 lunar samples, just like Apollo
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Entropy is an important concept in thermodynamics, but it is also a difficult concept to understand. As my college physics teacher often said: There are (probably) only 4 or 5 people in this world who really understand entropy, and I don’t belong to them. Compared to other quanti
There are (probably) only 4 or 5 people in this world who truly understand entropy, and I don't belong to them
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Although the theories discussed on this topic appear to be a bit unfounded, there are many people in Europe and the United States who are preparing for "Judgment Day" and preparing various things in advance. Some people call them doomsday operators.
Scientific Survival Techniques - Doomsday Survival Apocalypse
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Genome-wide association analysis (GWAS) shows that more than 90% of disease-related mutations are distributed in non-coding regions, and the "tail" of the gene, that is, the 3'UTR (3' untranslated regions) region is more enriched, but its functional and direct Causal analysis is
Cell | High-throughput functional analysis of non-coding mutations that directly affect disease and evolution
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The current trend of bioweaponization of the new coronavirus also requires us to do a good job in the initial stage, and China has long been at the forefront of the world in the application of information technology, so as long as we unify our thinking, we will definitely be able
Zhang Zhimin: The latest epidemic strain has arrived in Xi'an, only by correct understanding and preparedness can we deal with it calmly
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Academician Wu Jianqi (first from right) guides scientific researchers in equipment testing in the microwave anechoic chamber of the 38th Institute of China Electronics Technology. Radar is known as "clairvoyance" and can detect and locate aircraft at long distances. "After the e
"Approach Academician" Wu Jianqi: Make invisible aircraft visible
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Polypropylene is one of the most widely used types of general plastics. It has the advantages of low density, good rigidity, resistance to flexing, chemical corrosion, and good insulation. Its shortcomings are poor low-temperature impact performance, easy aging, and large molding
Is polypropylene shrinkage difficult to control? What are the influencing factors? "Attached is a table of shrinkage rates of common materials"
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Many people don't know why astronauts wear spacesuits even in the return capsule when they return to Earth. Since Gagarin entered space in 1961, more than 500 astronauts have launched into space to perform missions, of which 22 astronauts died during the mission.
Three Soviet cosmonauts are sleeping in space, and a special "remains" will fly out of the solar system
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A bus-sized planet will pass close to Earth today, Thursday, July 7, passing within just 56,000 miles (90,000 kilometers), or 23 percent of the average distance between Earth and the moon. The asteroid, called 2022 NF, is expected to pass safely by our planet, according to calcul
Scientists detect a bus-sized planet that will approach Earth tonight
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In the eyes of many people, "alien" and "alien civilization" are synonymous with advanced civilization, and their civilization is much higher than human civilization. In many science fiction novels and movies, this point is particularly prominent. Aliens always appear to be omnip
Fears that aliens visiting Earth will wipe out human civilization may be unfounded
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As we all know, since humans have known about the universe, they have always wanted to explore its mysteries. At present, the scientific community generally believes that the earth will not be the only oasis in the universe. After all, the vastness of the universe is beyond our i
Astronaut encounters aliens in space, tells the story of the origin of intelligent life and the cause of the universe, shocking the world
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In the movie, the dungeon lord Gruishka is waiting for a major makeover in order to capture Alita, with his head and spine hanging in the air and twisting around.
He is gone, "Peter 2.0" lives forever! Cyborg Evolution Design Guide, are you interested?
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According to relevant records, very "weird" creatures actually appeared in Japan as early as the 1960s and 1970s. At that time, this strange-looking species had a "protruding mouth, hairless body, wrinkled skin, like a dog and a monkey, and walked with a tremble." On the one hand
Mysterious hairless animal with long face discovered in Japan! Experts warn: Don’t touch it, what exactly is it and why?
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According to the official WeChat message of the Lunar Exploration and Aerospace Engineering Center, the lunar rover and lander of the Chang'e-4 mission "Yutu 2" completed sleep settings at 19:14 on July 5 and 6:00 on July 6 respectively, completing the 44th It works during the da
Chang'e-4 completed its 44th lunar day work and entered its 44th lunar night sleep
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Site Latest News
A bus-sized planet will pass close to Earth today, Thursday, July 7, passing within just 56,000 miles (90,000 kilometers), or 23 percent of the average distance between Earth and the moon. The asteroid, called 2022 NF, is expected to pass safely by our planet, according to calcul
Scientists detect a bus-sized planet that will approach Earth tonight
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In the eyes of many people, "alien" and "alien civilization" are synonymous with advanced civilization, and their civilization is much higher than human civilization. In many science fiction novels and movies, this point is particularly prominent. Aliens always appear to be omnip
Fears that aliens visiting Earth will wipe out human civilization may be unfounded
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[Global Network Report] According to reports from many Hong Kong media including Ta Kung Pao on the 15th, the Hong Kong police seized a "homemade bomb connected to a water pipe" in Mong Kok on the 14th and smashed a laboratory for making explosives in Sheung Shui, arresting a tot
Hong Kong police smashed into a mob arsenal and seized a homemade bomb: powerful enough to kill a car of people
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Introduction: With the weapons of the militia at that time, it was impossible to attack the enemy's stronghold. "So we began to arrange people to observe outside the puppet army's stronghold. As soon as the puppet army went out, we ambush on the road they passed, and we had two t
Lao Balu tells about real tunnel warfare: digging tunnels to bury explosives and blowing up Japanese and puppet bunkers
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After the Hong Kong police seized a "water pipe bomb" at Lim Man Building, Tung Choi Street, Mongkok on the 14th, at the same time, they smashed a bomb-making laboratory in Heba Village, Ping Che, and seized a batch of laboratory supplies, such as beakers, measuring cups, chemica
High explosives hidden in farmland, Hong Kong police arrested 3 more people in "homemade bomb case"
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Danger is imminent. Chen Lin, the EOD hero, set out in retrograde and faced the light, only to realize that you are the light! As the main EOD man, Chen Lin has been in the police for 23 years and has more than ten years of practical experience in bomb disposal and EOD. He is cur
Putting on a 70-pound EOD suit, he turned around and walked towards the "battlefield"
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