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We’ve seen blue skies on sunny days, black skies on rainy days, gray skies on cloudy days…but what about green skies? It seems that it is only possible in science fiction movies, or on some alien planet beyond the earth. Will there be green skies on the earth we live on? The worl
Is the green sky suddenly appearing in the United States an ominous sign?
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The metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast
Cold Knowledge of the Qing Dynasty - Metallurgical and Machinery Manufacturing Achievements of the Qing Dynasty
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The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th
Why is it said that it rained for millions of years before the earth finally had an ocean?
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Researchers such as Gao Fu from the Institute of Microbiology, Chinese Academy of Sciences, have just published an article in NEJM introducing the neutralizing ability of volunteer sera with different vaccination programs against Omicron subtypes. Under similar conditions, two do
Confused about how to get vaccinated? Pay attention to the latest NEJM work such as Gao Fu
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Recently, a scientific research team from Tokyo Metropolitan University in Japan discovered a new type of compound that can capture carbon dioxide directly from the environment and achieve the highest carbon capture efficiency so far of 99%, which is twice the efficiency of other
Japanese scientists develop new carbon capture system that can quickly and directly capture low-concentration carbon dioxide
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The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr
Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?
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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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On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca.
Nature | Luan Sheng's team has made important breakthroughs in the fields of plant sexual reproduction and signal transduction
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As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int
"Quest Files" Unsolved Mysteries of the World - The Black-Headed Man from the East 2
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Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field.
Cell | David Liu and others review the research progress of gene editing vectors
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Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l
Intelligent slime mold
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01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio
Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.
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Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.
Water was discovered in ancient galaxies, which surprised astronomers. What happened?
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Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th
Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level
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In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.
Introduction to applicable industries of mycotoxin detectors
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How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can
Instructions for using online residual chlorine analyzer
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Site Latest News
Yuan Shanshan's ancient costumes have been complained about. In fact, Yuan Shanshan is quite beautiful, but she may not be suitable for ancient costumes. In fact, looking at her real-life street photos in private clothes, she is quite beautiful.
An actress who is not suitable for costume modeling, Michelle Chen’s version of Little Dragon Girl has hot eyes
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When talking about Michelle Chen, one cannot help but think of her role as the Little Dragon Girl. Her cute, sweet and innocent image is deeply rooted in the hearts of the people. She dared to accept the challenge and joined the filming of the latest season of "Sister Riding the
Michelle Chen's waist is "down to earth". She weighs 100 pounds and wears a navel-baring outfit. The two-layer "swimming ring" is so obvious
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The city's tourist attractions, star-rated rural tourist areas (farmhouses), and star-rated hotels: In order to speed up the restorative development of Guigang's tourism market, guide tourists to "visit Guigang in the summer", continue to prosper the summer tourism market, stimul
Initiative on encouraging various tourist attractions, star-rated rural tourist areas (farmhouses), and star-rated hotels in the city to implement summer discount policies
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Recently, Mr. Qian and Mr. Wang from Hangzhou, Zhejiang Province, were beaten and fractured by "the boss's friend" because they wanted to get a discount on meals, which attracted the attention of many netizens. The two said that when they paid the bill, they wanted their boss to
A man tried to pay for a discount after a meal but got a broken bone? Restaurant owner tells what happened
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The catering industry plays an important role in stabilizing employment, protecting the main body, and promoting consumption. During the epidemic, the catering industry was greatly affected. Data released by the Guangdong Provincial Bureau of Statistics shows that from January to
Southern Net Comment: Make good use of tax and fee discounts to revive the catering industry as a "pool of spring water"
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February 14, Cixi, Zhejiang. After Mr. Jiang went to a restaurant to pay for his meal, he found that the zero mark on the hotel bill was very strange, and he immediately became uneasy. The bill showed 1,011.80 yuan, and the profit and loss amount was 0.20 yuan. The result showed
A man pays the bill but the hotel reversely charges him an extra 20 cents. What does the hotel discount mean?
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