Trump reinstates the death penalty in the U.S.! What does this really mean for America?

Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

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The "gray industry chain" that can't be banned—60 million Chinese people are caught up in it. Are yo

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Car Disassembly Video

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The power of science

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20 common mechanical transmission structures, I'm exhausted

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Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

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How Tsunamis Are Formed (3D Principle)

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[Goat] A shameless devil's advocate?

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Are the videos we watched fake? Has wild sex education been fooling us all these years?

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Comparison of the size of tsunamis in history

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The Land of Light, Caoxian—actually, this world can't do without you.

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There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

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"Earthquake Bed," which has been watched by 50 million people online, is about to release version 2.

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Why doesn't it hurt when a needle is stuck in my finger?

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[Exploring the Mystery] Some boys’ “femininity” may be caused by genes!

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When talking about her father, Liu Yifei's eyes welled up with tears. Although her parents are divor

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Why do we say that no two pairs of ripped jeans are exactly alike? #Science #Unzip #Jeans #Workers #

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Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

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Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

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