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Human Evolution: Crash Course Big History #6
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An analysis of more than 7,500 typhoid genomes shows that drug-resistant strains have spread between countries at least 197 times in the past 30 years.
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There are no identical creatures on the earth, and there are no identical individuals. Even identical twins will have such differences. However, scientists have concluded that there is only one ancestor of these various creatures living on the earth. Then the creatures on the ear
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Maybe many friends don't know. Are you wondering whether it is the same as Cordyceps? Let me give you some popular science below. The variety is complete, the quantity is sufficient, and the proportions are appropriate.
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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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Amorphous calcium carbonate (ACC) calcium supplement developed by Israeli biotech company Amorphical was tested in space and results show that it can improve muscle performance in zero gravity. , strengthen and build bones, provide body functions, and enhance immunity.
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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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Different from other creatures, our ancestors chose a very unique evolutionary route, with the brain as the core. Because of this choice, humans are now the "rulers" of the earth and have absolute dominance. Unless all other creatures on the earth unite to attack humans, then eve
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In the ocean of knowledge, your wisdom is just a grain of sand or a drop of water. All we have is a hungry heart, and we must constantly comfort it with knowledge.
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After death, due to the termination of the life process, the putrefactive bacteria that were parasitic in the human body during life lost the control of the human immune system and grew and multiplied crazily.
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Photo courtesy of cover news reporter Chen Yanfei. Interviewee. On July 5, researchers from the Chengdu Institute of Biology, Chinese Academy of Sciences, Chongqing Normal University, and Sichuan Academy of Forestry Sciences published a paper in the international plant taxonomy j
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Flexible all-perovskite tandem solar cell with 24.7% efficiency Lightweight and flexible perovskites are very promising materials for manufacturing photovoltaics. However, the highest efficiency they have reported so far is about 20%, which is much lower than the efficiency of ri
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Regarding aliens, millions of people only have two opinions, yes or no. Elon Musk also broke his silence on aliens. Musk said aliens are so close and we need to prepare for their arrival. Why? Are aliens coming to Earth soon? When talking about his views on aliens, Musk said that
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One flower and one world, one leaf and one Tathagata - "The Avatamsaka Sutra" The relationship between man and nature has always been very subtle. Human beings rely on nature, but they are destroying nature. Human beings want to conquer nature, but they constantly discover their
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After the explorers and botanists stayed in the tribe for a period of time, they were surprised to find that the entire tribe was very short in height, with almost no one over 1.5 meters tall. The average height was about 1.2 meters, with only a few individuals. Tall people can r
A dwarf tribe was discovered in Africa. The adult is 1.2 meters tall and fully developed at the age of 8. Now it is on the verge of extinction.
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During the Song Dynasty, there were two talents in Longchuan County. One was the suave Gao Peng, and the other was named Li Xiuwen. This man was upright and had the world in mind. Although the two have different personalities, it does not affect their deep friendship. Both of the
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It is said that Zhang Daoling, the ancestor of Zhang Tianshi, was the eighth grandson of Zhang Liang, the famous prime minister of the Han Dynasty. His mother dreamed that the seventh star of the Big Dipper fell from the sky and turned into a person more than ten feet long. He ga
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After dinner, I went for a walk with my wife. We followed the usual route, exiting from the south gate of the community, turning from Wuhan Road to Sichuan Road and walking southward. While walking, we talked, mostly listening to her talk about what happened in school today. I wa
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