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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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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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Introduction: The famous "Lilac Tree" has leaves that look like chicken feet and fruits that look like briquettes, but it has many unexpected uses. In recent years, urban construction has gotten better and better, and the greening of various cities has also gradually improved. Ta
The leaves are like chicken feet and the fruit is like briquettes. It is called "Passepartout", but few people know its value.
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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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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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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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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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Do you know why mosquitoes prefer to bite you instead of others? First, the mosquitoes that bite you are usually female mosquitoes because they need to absorb nutrients to lay their eggs. Secondly, mosquitoes rely on smell and temperature to find prey, and can keenly sense the su
Popular science knowledge: Do you know why mosquitoes don’t bite others but prefer to bite you?
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Amazing Nature (17 Photos) 1 "There's an albino mole in my yard, odds of 1:100,000." 2 "My drain pipe was clogged so I pulled it up and a frog came out ."3"My first glowing beetle pupa hatched yesterday." 4"I found a little snail crawling on a spider's thread outside my house."5.
Amazing nature (17 photos)
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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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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
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Wang Baoqiang at the construction site He is the best performing migrant worker at the construction site and is known as "Wang Baoqiang at the construction site". Even though Gao Xiaojian dresses like an ordinary migrant worker every day, wearing a dusty camouflage jacket and was
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He once said: "Being a thoughtful filmmaker is what I hope and have always done." On July 3, according to Hong Kong media reports, the famous Hong Kong director and screenwriter Luo Qirui passed away on the 2nd at the age of 69. .
Commemoration|Luo Qirui: Time cannot steal his movies
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The 238th wave mirror looks at Huainan, and the most beautiful scenery is displayed in the photography works. Through everyone’s enthusiastic submissions and fierce campaign. Our "Look at Huainan through the mirror and take photos of the most beautiful scenery" activity.
Huainan is very beautiful | 238th wave of looking at Huainan, the most beautiful scenery casual photography exhibition
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How to identify the "youthful feeling" from multiple angles? When wearing a dynamic and versatile item such as MLB brand CHUNKY LINER senior shoes, and stepping into a buyer's store, the pioneering perspective and artistic vision merge with senior shoes, bringing you a sense of y
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After the phone invitation comes the job presentation. Many people ignore this very important part. Just like when we play lol, the difference between Dolan Sword and Dolan Shield is when we go out. There are different designs for different groups of people.
Chapter 6 Online Operation Ideas 2 - Discussing the Market
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Disguised as a pilot, a doctor, and a lawyer, and relying on these identities and his superb skills in forging checks, he defrauded banks of millions of dollars. Can you believe it?
Can you believe the character’s experience is more absurd than the movie?
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