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This satellite image from the Copernicus Sentinel-2 mission takes us above Kiev - Ukraine's capital and most populous city. (Please note that this picture was taken in 2019, so the flames and smoke of war are not visible). Kyiv, also known as Kiev, is visible just below the cente
Copernicus Sentinel 2 "Space Exploration of the Earth" Series: Ukraine - Kiev
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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"?
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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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Introduction: A short, stemless plant in the mountains has a strange name and is known as "Duyiwei". Its functions are comparable to "Jinchuang Medicine". Our country has a vast territory, rich wild resources, and wide distribution. Whether in meadows, fields, or even mountains,
A short, stemless plant in the mountains, known as "Unique", its functions are comparable to "Golden Medicine"
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Millions of years ago, a group of apes gathered together on the African continent. They were no longer frequent visitors in the trees, but instead galloped on the grasslands. Like most predators, they began to pursue prey. Of course, human civilization at that time It has not yet
Russian fishermen accidentally salvaged a "chip" from 250 million years ago. Is the earth's civilization recycling?
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1. Morphological characteristics: The body wings of Star Beetle are black, with multiple white spots on each elytra. Its body length is 50mm and its head width is 20mm. The body color is bright black; there is a white spot on the left and right sides of the front and back of the
Feiben Classroom - Star Beetle
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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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Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it
Scientists have discovered that human cells can make human cells 30 years younger. Can people really rejuvenate themselves? How to do
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Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata
Scientists synthesize new antibacterial platinum compound
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Plants are grown in complete darkness in an acetate medium that replaces biophotosynthesis. Researchers are developing artificial photosynthesis to help make food production more energy efficient on Earth and perhaps one day on Mars. Photosynthesis has evolved in plants over mill
Artificial photosynthesis could produce food in complete darkness
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Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in
What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?
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I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na
An insect pocket book that brings you closer to nature
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We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi
Could it be said that humans more than 12,000 years ago really existed?
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@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag
Seven exotic species, one relies on breeding and one is prohibitive
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When you see a cockroach, do you still kick it and send it to its death? As everyone knows, if you do this, not only will the number of cockroaches in your home not decrease, but they will increase in number. So, why does this happen? The more cockroaches you fight, the more cock
Don’t step on cockroaches in your home! How to control cockroaches that are still alive even though their heads are severed?
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The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a
Fragrant garden | "Pteridophylla fern", the "living fossil" of the plant world
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Five technical routes for COVID-19 vaccines, and the recombinant protein vaccine that Dr. Tao has always been optimistic about is finally coming to the market. On Monday, the European Commission approved the COVID-19 vaccine Nuvaxovid from the US company Novavax for use across th
Recombinant protein vaccine is great news, but challenges are huge
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The content here will be updated at five o'clock every afternoon, bringing you a daily cow picture series section, which contains fun pictures, weird refining, funny daily life, ridiculous world shouting, and various tasks in the mission. What's the probability?
Dahua 2 Cow Picture (721) Stop saying that Xi Hongyi is not good at it. That’s because you haven’t been trained well. Look at this one
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Big Hard XGP will leave the library on July 15th. Five games that Big Hard XGP will leave the library in the middle of this month: "Atomicrops", "Red Monster", "Son of Morta", "Crystal Legend", "Lethal Alliance: Fire" If you like these games Speed up "Genshin Impact" version
"Genshin Impact" updated to version 2.8 Nongni Game Express 20220703
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How many cans of beer are 2 taels of liquor equal to? If you don’t understand, it’s easy to suffer losses when “fighting for wine” in a wine shop. Friends who like to drink should have experienced such a scene at a wine shop, that is, some people want to drink beer and some peopl
How many cans of beer are 2 taels of liquor equal to? If you don't understand, it's easy to suffer losses when trying to "wine" at the wine shop.
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Ever since Huo Qigang, the eldest son of the Huo family, married "Queen of Diving" Guo Jingjing, the two have been together as husband and wife, and their relationship is still sweet after 10 years of marriage. With the birth of a son and two daughters, their relationship has bec
Huo Qigang celebrated his 43rd birthday, and his three children had hand-drawn birthday cards. Guo Jingjing went out to work.
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July has arrived, and the crazy bombardment of the 618 Carnival Shopping Festival has not made manufacturers choose to take a break, but more actively promote the release of new phones. It is reported that at least 13 new Snapdragon 8+ models will be launched this month. Today, B
July 2022 mobile phone preview, 10 new phones are ready for launch, each one is desirable
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