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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
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Walls can be seen everywhere in our human society. They are not only barriers to protect us, but they can also be seen as cages to imprison us. In addition to these walls that we can see in life, astronomers have also discovered "walls" in the universe, as if someone deliberately
The "cosmic wall" was discovered, and researchers were panicked: Are we really the experimental subjects?
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On a clear night, when we look up at the stars, we find that the night is inlaid with countless stars. We can't help but be attracted by the twinkling stars in the sky. The dense starlight is so beautiful. Most of the shining stars we see are stars in the Milky Way, as well as so
In 1994, a comet collided violently with Jupiter, with a force equivalent to the simultaneous explosion of 2 billion atomic bombs.
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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.
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Researchers such as Stefano Piccolo from the University of Padua in Italy discovered that YAP/TAZ, a key factor in mechanical force signaling, plays a key role in cellular aging.
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The German Federal Ministry of Science and Technology wants to accelerate materials research and make it sustainable and relevant to industry. However, the success of technology leaps or market launches in government-funded projects depends largely on the choice of partners. A ne
Germany's Federal Ministry of Science and Technology promotes materials development
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"Golden Heart Double Color" Bougainvillea Petunia "Guangzhou No. 1". The flowers are huge, with a diameter of up to 10 centimeters, one-third larger than ordinary petunias. It is especially suitable for the hot and humid weather in Guangzhou, and is suitable for various planting
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Recently, Zeng Yi, a researcher at the Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, and Jing Naihe’s research team collaborated on a paper titled Embryonic vascular establishment requires protein C receptor-expressing endothelial progenitors in De
Study reveals identity of embryonic vascular endothelial progenitor cells
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2020 is definitely the year of Mars exploration in human history. During this year, my country's Tianwen-1, the United States' Perseverance, and the UAE's Hope Mars probe were all launched successively. Why is human enthusiasm for Mars exploration so high all of a sudden? In fact
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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).
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Great Horned Owl...
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Also known as Perry David's Owl, a large owl without ear feathers. Females are always much larger than males, although no weight is available. The crown and upper feathers are very brown, with light or white stripes and spots, which are particularly prominent on the nape and mant
Encyclopedia of Owls in the World (Wood Owl)
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A study published by Columbia University researchers in the journal Nature on the 5th showed that the latest Omicron subtypes, such as BA.4 and BA.5, which have caused a surge in new infections around the world, are more likely to evade vaccines than previous variants. and most a
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The results showed that 225 exometabolites were identified from the spent culture medium of a single partner. Among these products, N. muscorum UTEX 1037 consumed 53% of S. angustifolium exometabolites and S. angustifolium consumed N. muscorum UTEX. 28% of 1037 external metabolit
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Recently, research in "Developmental Cells" revealed a key signaling molecule that can activate hair growth, providing a therapeutic target for the treatment of androgenetic alopecia, namely: the "SCUBE3" molecule.
Zuckerberg invested hundreds of millions! A molecule called "SCUBE3" can effectively stimulate hair growth
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In addition to the electric vehicles, 5G communications, and rail transit that we are in daily contact with, silicon carbide wafers have broad application prospects in key fields such as national defense and aerospace. Due to their irreplaceable advantages, they are regarded as t
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Worlds, full of wonders. In 1970, an old woman named Yu Yuzhen picked up a strange butterfly on the way back to her parents' home. She gave the butterfly to her brother. Incredibly, three years later, the butterfly was sold To 1.27 million! It's really a joy that comes from heave
In 1970, a peasant woman picked up a strange butterfly on the roadside. Three years later, the price soared to 1.27 million.
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# Those moments healed by life# 1. Concerned eyes Those moments healed by life, moments healed by the people in life! The look in the eyes of a Chinese language teacher in the third grade of junior high school was a look of concern, a look of anxiety, a sign of not knowing what t
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On September 12, 1953, Chairman Mao presided over the 24th meeting of the Central People's Government Committee and listened to Peng Dehuai's "Report on the Chinese People's Volunteers' Work to Resist U.S. Aggression and Aid Korea."
Lin Biao firmly disapproved of sending troops to North Korea, Premier Zhou severely criticized, and Chairman Mao revealed his weakness
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I may have a lot of feelings about work and life recently. I don’t know if fat friends like it or not, but for me, in fact, only these "feelings" are the things that can really change my life.
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Cultivation is a long-lasting activity, including: thinking activities, psychological activities, behavioral activities, and social activities, aiming to achieve a higher level of personal cultivation, a broader mind, and a wider vision than at the current stage.
This is the greatest practice in life (2022 must-read article)
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In the relationship between men and women, in addition to two people having to be satisfied with each other, the opinions of parents are also very important... Maybe some people think that people of different generations have different ideas and concepts. Young people should make
A female graduate student fell in love with a 35-year-old uncle, but was abandoned after two miscarriages. The uncle said: My mother told me not to marry her.
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01 There is no regret medicine in the world, and there is no turning back in life, so you must think twice before making a decision, and never do anything you regret. Everyone must be conscientious in dealing with others, treat others with sincerity, and accumulate more virtues a
The mother-in-law came to her ex-daughter-in-law and begged her to remarry her son. The ex-daughter-in-law said: I already have a boyfriend.