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An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr
"Space Observation" Bolivia's Tunupa volcano photographed by the International Space Station
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If you neglect them, they will rot. Dr. Estelle Lazar, a forensic archaeologist from the University of Sydney, spoke to ABC News about your pearly whites after death.
What happens to your teeth when you die
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The study, published in Science on June 30, reports that the implant is made of biodegradable materials and is designed to reduce postoperative pain. There is an urgent need for better ways to relieve pain because currently available opioids can be addictive, and ice packs or coo
Still using ice cubes to relieve pain? Science: Try this method
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The question raised by Xiao Li is: Yesterday, the beetle I was observing bit my finger and it escaped. However, what I can't understand is why the two beetles in the glass maintenance bottle will explode when they flap their wings.
In the uninhabited land of Lop Nur, the speeding car has no wheels and can fly with flapping wings|Science fiction story
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Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough".
Can we use an infinitely long ladder to leave the earth without reaching the first cosmic speed?
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In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl
Ethical Thoughts on the "Metaverse"
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Only three scientists worldwide have received this honor. Yuan Daoxian, a professor at the School of Geographical Sciences of Southwest University, is among them. He is a famous geologist, hydrogeologist and karstologist.
There are only three in the world, and the Chinese are among them
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"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not.
26 years ago, the high school student who built a "nuclear reactor" at home later died of alcoholism and poisoning
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New Horizons brings new helpers to visible stars Introduction: After the completion of New Horizons' main mission, it will become the first mission to explore Kuiper Belt objects and will become part of a longer-distance survey project heading out of the solar system . ——The New
New Horizons, which recruits amateurs to stargaze together, is it very high-end?
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Italian physicist Volta invented the battery. Italian physicist Volta. Although electric lights, telephones, refrigerators, televisions, and computers have entered people's homes, electric motors are also widely used in factories. These strong currents are drawn from generators.
"The Story of Invention" (74) - Italian physicist Volta invented the battery
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I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau
Cattail: looks like a "sausage" and is common near water. It has many values and is full of treasures.
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The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become
Abnormal weather will occur in many places in 2022! Are Hawking's climate predictions credible? Analysis: Be wary of extremes
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Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion
There is a gravitational source outside the orbit of Pluto. Scientists: It may be the legendary ninth planet
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When it comes to snails, the first thing that comes to mind is that they have a thick shell. In fact, in addition to being known for their thick shells, snails are also the animals with the most teeth in the world.
Snails are said to be the creatures with the most teeth in the world. So what are the uses of so many teeth?
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Walking people have to adjust their gait again and again to walk on curbs or steps. Whether intentionally or not, everyone has developed control strategies to control muscle activity in response to changes in the outside world, thereby protecting them from tripping. effects of ti
Two main strategies for robot gait control
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The majority of overseas Chinese are very concerned about Hong Kong's continued stability, prosperity and development. Recently, Sun Dawen, a well-known Chinese scientist and academician of the European Academy of Humanities and Natural Sciences, wrote an article to express his w
[Tongxinyu] The pearl is dazzling and the bauhinia is beautiful - Chinese scientist Sun Dawen writes an article to celebrate the 25th anniversary of Hong Kong's return to the motherland.
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The World Health Organization recently released a set of data. Currently, about 1.1 billion young people aged 12-35 around the world are at risk of irreversible hearing loss.
terrible! The “number one killer” of hearing loss turns out to be it
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In July 2021, the General Office of the State Council issued the "Opinions on Accelerating the Development of Affordable Rental Housing", proposing for the first time to encourage non-residential housing stock to "convert to affordable rental housing."
Youth Living Report②|Long-term rental apartments look beautiful, why don’t young people love them?
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The China Consumers Association released a comparative test report on 25 electric toothbrushes on the 13th. The maximum noise of the samples exceeded 50 decibels, and the user felt like a dental drill. In addition, the charging and discharging times of the samples vary greatly. T
The maximum noise exceeds 50 decibels - China Consumers Association releases a comparative test report on 25 electric toothbrushes
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In life, when you feel communication barriers, your hearing loss is often more serious. I am about forty years old and my hearing is 50 decibels. Do I need to wear a hearing aid?
I am about forty years old and my hearing is 50 decibels. Do I need to wear a hearing aid?
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Recently, the China Consumers Association conducted a comparative test on 25 electric toothbrush products sold on the Internet and found that the cleaning power and battery performance of toothbrushes vary greatly.
Evaluation of 25 electric toothbrushes: great differences in cleaning power, some are as noisy as a dental drill
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Although when many people think of Northeast China, they think of stewed pig meat and barbecue in iron pots. In fact, authentic Northeastern dishes also taste very good. For example, Guobao Pork is a dish eaten in both the north and the south. Its taste is similar to Sweet and so
A mother from Northeastern China has such an appetite for cooking that her daughter can cook 5 bowls of rice at a time. Netizen: If you are not fat, who is fat?
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