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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
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In modern astronomical theory, the formation of important celestial objects such as double black holes, double neutron stars, and double white dwarfs are the result of the evolution of the shared envelope of binary stars. A few days ago, the research team of Academician Han Zhanw
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Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943.
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The male protagonist is a physics genius. He discovered the secret of time at the age of 28 and successfully invented a time machine. He is a sure winner in life! Just when this great god was about to solemnly announce his great discovery to the world, an accident happened! Of co
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In Thailand, because most vaccinated people have no symptoms or very mild symptoms when infected with the new coronavirus Omicron variant, many people have the option of quarantining at home.
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It might be tempting to use a cup with a green “Plant-Based” label for a cup of coffee, or see that the plastic utensils in your takeout are “100% compostable.” Some comfort. So could a plastic made from plants rather than petroleum actually melt harmlessly in the environment?
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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.
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When it comes to invasive alien species, the first thing that comes to everyone's mind is that they have no natural enemies and reproduce wildly, seriously threatening the local ecological balance. Since the spring of 2022, a large number of invasive alien species have appeared i
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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
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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
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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.
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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
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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.
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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
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The Wall Street Journal reported on May 31 that protests triggered by the death of Floyd, an African-American man, during the execution of a white police officer in Minneapolis swept across many cities across the United States, and in some areas the protests turned into riots. Fr
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In 2050, a news that shocked the world was exposed. The military of a superpower has been using a full-reality simulated combat training machine to train its soldiers. Although the country has been vigorously denying it, its purpose is self-evident to people around the world. The
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Domestic QBS09 type military shotgun (English: Type QBD09 Tactical Shotgun [1] ) is China's first military shotgun developed by the 208th Research Institute of China Ordnance Industry. The gun project was approved in February 2005, and in May 2009, the design was finalized and ma
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New "futuristic design" KS7 bullpup shotgun Keltec's new KS7 bullpup shotgun is a derivative of the company's KSG shotgun, but the difference is that it only has a tubular magazine for ammunition. Keltec is known as a company that focuses on innovative firearms. They constantly b
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In the United States, the development of combat shotguns was at least partly motivated by economic considerations. Two hundred years ago, colonists had a shotgun, which was mainly used to hunt game for food, but it may also be used against Indians or other Enemies, crews on ships
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Since its birth in the late 19th century, shotguns were first used as hunting rifles and later for military use. Until now, they have been widely used. Whether in the police, security, anti-terrorism, military and other departments, shotguns are widely used, and modern shotguns h
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