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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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During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea
What would happen if a nuclear bomb was detonated at the deepest point on earth?
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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?
05/16
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As a scientific researcher, Wu Jianhua has been talking a lot recently. Rumor has it that the Chinese Academy of Sciences' neutrino laboratory 700 meters underground in Kaiping, Jiangmen, Guangdong, injected 20,000 tons of water on June 27. After that, people could no longer see
The deepest secret in Guangdong, 700 meters underground
05/16
1712
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"?
05/16
1970
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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When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan
If you drop an egg from an airplane, will it be cooked when it hits the ground? I can't eat it anyway
05/16
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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
05/15
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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
05/16
1952
Jeffrey Sachs, chairman of the Lancet COVID-19 Committee, said: The new coronavirus does not have any natural origin. Rather, it was produced in an accident in a US biotechnology laboratory.
Chairman of the Lancet COVID-19 Committee: The virus may have originated in a US biological laboratory
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China's sky eye discovered a mysterious signal, which was suspected to come from a foreign civilization, but American scientists poured cold water on it. Recently, a research team from Tianyan announced that in past observations, they discovered several very special signals. Thes
China's sky eye discovered mysterious signals, but American scientists said they came from the earth. Do aliens exist?
05/18
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Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One
"Space Observation" Ramsar Convention and Vietnam Wetlands
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June 1 to November 30, 2005 As 2007 approaches, an extreme to abnormal drought occurs in the southeastern United States. The year also saw tropical cyclones—tropical depressions, tropical storms, and hurricanes—that often flooded parts of the East Coast and Gulf Coast. Tropical c
"Space Observation" Small tropical cyclones contribute more to annual rainfall
05/18
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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?
05/18
1428
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
05/18
1720
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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Site Latest News
Zhitong Finance APP learned that Cinda Securities released a research report stating that the cumulative increase of the Wind A Index in the past two months has been close to 20%. From the perspective of supply and demand, rapid increases often consume funds at a very high rate,
Cinda Securities: The end of the V-shaped reversal may be in Q4. It is recommended to pay attention to consumption growth now.
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Reporter Cai Chenyi/Taipei report Last year’s Golden Melody Newcomer Award winner Bad Te?te was invited to be a guest performer at the Golden Melody International Music Festival this year. Tomorrow (2nd), he will attend the Golden Melody Awards as an award presenter, which is dif
The newbie’s bad speciality? Got 2 bans! Can't bask in the sun + surf...the reason is exposed
05/18
1863
The winners of the much-anticipated 12th Chinese Golden Melody Awards have been announced. However, due to the impact of the epidemic, the awards ceremony was not held this year. The awards were sent to the singers by mail. This approach has been unanimously praised by netizens.
The Chinese Golden Melody Awards were announced. Eason Chan and Li Yuchun both won, and Feng Timo won the Crossover Singer Award.
05/18
1748
In movies and TV shows, we often see ancient people sleeping on "porcelain pillows". Is this true? There is no doubt that people slept on "porcelain pillows" in ancient times. China is also called "China", which means ceramics. Ancient China itself was a big country of ceramics.
The ancients preferred "porcelain pillows" for sleeping. In addition to being beautiful, it was mainly convenient for women to do one thing.
05/18
1025
My father-in-law was born on April 10, 1933. He was a middle school teacher before retiring. He has always been in good health and has no underlying diseases. Even everyone is prone to hyperlipidemia. No high blood pressure. Although medical insurance can reimburse most hospitali
Personal experience: How much does it cost to do a wedding in Lanzhou in 2022?
05/18
1998
Since the Hong Kong Philharmonic entered its golden period in the 1990s, a large number of male singers led by the "Four Kings" have become the mainstay of the Hong Kong music scene and have become very popular in the mainland.
The ten most popular Hong Kong male singers in the Mainland, Jacky Cheung ranks first in singing skills, and Jackson Wang becomes the representative of the new generation
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