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The proposal of dual carbon targets has not only made new energy industries such as electric vehicles and hydrogen fuel vehicles soar, but also provided scientists with a research topic, that is, how to turn carbon dioxide into waste through new technologies to achieve carbon red
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During the annual lychee season, lychees must have a place in the list of summer fruits! Did you notice it when you were eating lychees? Sometimes I open the lychee stem and find it is black? At this time, should you choose to throw it away or eat it? (Telling you secretly, the e
It turns out that the lychees I have eaten for so many years are all worm excrement lychees.
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#真知新ordinate# Water hyacinth is both good and evil. I applaud the water hyacinth. The flowers of this water devil are a bit beautiful. It was once known as "the lavender corolla that beautifies the world". It actually tastes like cabbage. You’ve heard of water hyacinth, but have
Don’t misunderstand water hyacinth anymore. It blooms really beautifully and tastes like cabbage.
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This year's high temperature weather has left a deep impression on people. Since June, heat waves have occurred in many places in our country. Starting from July 6, a new round of heat waves is sweeping through parts of the northwest, north and south of our country. It is expecte
It’s heating up! Global glaciers are disappearing rapidly, and the Everest glaciers are also melting. The Arctic may be ice-free in 13 years
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Helan Mountain red deer. (Data map) Photo by Yu Jing China News Service, Yinchuan, July 7 (Reporter Yang Di) The reporter learned from the Ningxia Ecological Environment Department on the 7th that Ningxia recently issued the "Implementation Opinions on Further Strengthening Biodi
Ningxia: The protection rate of the number of nationally protected wild animal and plant species will reach 80% by 2025
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Today we usher in the Xiaoshu solar term. During the Xiaoshu season, the earth is experiencing heat waves and the heat is intense. Most areas in our country are about to start the "barbecue mode" or "steaming mode". The recent high temperatures in some areas of Jiangsu coincide w
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This strange, fluid-like electronic behavior could be used in the next generation of low-power electronics, potentially making them more efficient. Although they are discrete particles, water molecules flow collectively as a liquid, creating streams, waves, eddies, and other clas
Scientists observe for the first time 'electron vortices' that could help design more efficient electronics
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What is the core asset of the laboratory? The laboratory scenes are of course biological samples. They are the objects of laboratory scientific research, and their safety means the safety of experimental data. Once the laboratory loses power or the instrument malfunctions, the sa
Have you ever seen a liquid nitrogen tank that automatically sprays liquid nitrogen?
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The laboratory of the Beijing Center for Disease Control and Prevention conducted genetic sequencing on the specimens of the three infected persons reported on July 5. The results showed that the viruses all belong to the BA.5.2 branch of the Omicron variant. Gene sequence compar
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Pretty boy, do you know? The earth is currently undergoing the "Sixth Mass Extinction". Even though there are 7.6 billion people in the world, this only accounts for 0.01% of the total biological mass. However, we have single-handedly killed 83% of the known species. Wild mammals
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Ferrous sulfate reduces soil hexavalent chromium (ferrous sulfate). In order to solve the problem of excessive hexavalent chromium in the soil, ferrous sulfate is first used to reduce the hexavalent chromium in the soil to trivalent chromium, and then sodium hydroxide is used to
Ferrous sulfate reduces soil hexavalent chromium
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Recently, Chinese scientists discovered that the pharyngeal arches of Yunnanensis produced by the Chengjiang fauna of the Cambrian period 518 million years ago have a unique cellular cartilage structure of vertebrates, confirming that Yunnanensis is the most primitive group of ve
Are insects the ancestors of humans? Jiangsu scientists reveal Yunnan worm is the most primitive vertebrate
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Editor's note: The wild boar is coming down the mountain! "Monkey Paper" has arrived on my balcony! News of wild animals entering the city frequently appear on social media. In fact, there are so many native wildlife living all around us that we know so little about them. Only by
Eye of the Secret Realm·Friends of Mankind Calendar | Bream: The dawn sun shines on the river, and the fish swim like a jade bottle
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On May 17, the United States held its first public hearing on UFOs since 1966. During the hour-and-a-half-long meeting, some UFO footage was shown and highlighted how the U.S. Department of Defense had collected at least 400 sightings and 11 near-collision incidents.
The first UFO hearing in the United States announced many confirmed UFO incidents. What is the purpose?
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The threat of nuclear war is the gravest since the Cold War, so a group of scientists revisits the never-ending bleak subject of what would happen if atomic bombs started flying in today's world. As you can imagine, this is pretty scary.
New simulation shows nuclear war in 2022 could trigger a 'Little Ice Age'
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Scientists now believe that declining ozone over the Arctic is causing unexpected weather effects in the Northern Hemisphere. As reported in Nature Geoscience , the team believes they have discovered a causal link between reduced ozone and unusual weather events.
Thinning ozone over the Arctic is causing unstable weather in the Northern Hemisphere
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Success is not about complaining about fate, but achieved through one's own efforts. Aspirations must be high and high, not quick success. If you've seen me at my most vulnerable, you're definitely the person I trust the most. If you persist a little longer, work harder, and move
Aim high and high, don’t rush for quick success
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If the sky is healthy, a gentleman will strive for self-improvement; if the terrain is weak, a gentleman will be virtuous. It is better to rely on yourself than to rely on anyone. No one in this world will be willing to be relied on by you all the time. Only by relying on yoursel
As a Chinese youth, only by constantly striving for self-improvement can we make great achievements.
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Sodium-ion batteries are gaining confidence. When various car companies and battery manufacturers are anxious because of the rising prices of upstream raw materials and the inability to "grab" lithium mines, more and more companies have begun to deploy sodium-ion batteries.
Sodium-ion battery + energy storage, an industry with clear goals | 36Kr new trend
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The admission scores of high schools in various cities in Hunan Province have been announced one after another. In addition to paying attention to which high school their children can be admitted to, everyone is also comparing the admission scores of key high schools in various c
The admission scores of high schools in various cities in Hunan have been announced one after another! How big will the gap be in the college entrance examination three years from now?
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Summer is coming, and many primary and secondary school students, while completing their schoolwork, have also developed their own hobbies, such as swimming, playing the piano, painting, etc. In Xinzhuang, there is such a company, which mainly produces stationery and painting pig
It turns out that this well-known company has been stationed in Minhang for 30 years! You must have seen the stationery produced by TA
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The so-called stud welding refers to a method in which an arc is generated between the end surface of a metal or similar metal part and the surface of another metal workpiece, and pressure is quickly applied when the joint surface melts to complete the welding.
Development history of stud welding machine and its welding process
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