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The first people to believe in some form of spontaneous generation were hundreds of years ago. In the 17th century, a number of respected figures in science, such as Francis Bacon and William Harvey, accepted this theory. However, in the 19th century, Louis Pasteur and other scie
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First, let’s take a bird’s eye view of the planet below our feet. Next, if you look carefully at the pictures and text below, you will be very shocked... ▼Every day, there are so many people flying around on the earth, just like in the picture below. ▼The population in the circle
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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,
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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
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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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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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A few days ago, the Event Horizon Telescope (EHT) collaboration held simultaneous press conferences in various places around the world, including Shanghai, to show the public the first photo of the supermassive black hole at the center of the Milky Way. Similar to the first black
It took 5 years of "photography" and "development", but the imaging process of the first photo of the black hole in the center of the Milky Way was so difficult
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A strange crystal that scientists have never seen before. Strange crystals under an electron microscope. Taskaev On February 15, 2013, a mysterious fireball streaked over Chelyabinsk in southern Russia. According to estimates, scientists believe that this is an asteroid with a di
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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?
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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
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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
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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
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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
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"I see truth, kindness and beauty in her", "She doesn't smell like money", "This little girl is too innocent, I hope you won't hurt her". How do you maintain your favor after marriage, give birth to three children in a row in six years, and securely sit on the throne of Foxconn’s
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On the evening of April 30, Foxconn boss Zeng Xinying posted a photo on a limited-time feed to celebrate the birthday of her eldest daughter Guo Xiaoru. The warm and cozy look in the same frame made people very envious. Unknowingly, the little girl she once had has become slim an
Zeng Xinying celebrates her eldest daughter’s birthday! 13-year-old Guo Xiaoru is full of youthfulness, and her mother is like a sister
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The construction of colleges and universities cannot be separated from the investment of money. In the subsequent development process, it also needs strong economic strength as support. In order to improve their comprehensive strength, colleges and universities need to invest a l
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Back then, after the 63-year-old Terry Gou married Zeng Xinying, he revealed that he hoped to have a baby horse. Finally, my dream came true, and I welcomed my third child, a boy. However, news came out that Guo Taiming was still trying to have a fourth child, which attracted the
The 60-year-old male star’s secret to giving birth, one after another
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Market Sentiment Main board non-ST connected boards: 9, -4 compared to yesterday; connected board high mark: 7 board Chuanyi Technology; 4 board Ganneng Shares; yesterday's high mark performance: 6 board Xingmin Zhitong, opening limit; short-term temperature: 20. Ice; short-term
For this ticket, book a ticket
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Summer is here in a blink of an eye, it's so hot that leaving an air-conditioned room is like a fish out of water. Perhaps the only motivation for us to go out was to go downstairs and buy two ice creams to eat. But who would have thought that this summer, when I wanted to eat ic
When does "Ice Cream Assassin" end? The State Administration for Market Regulation issues new regulations, merchants should stop
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