The trebuchet, a device that terrified the ancients, could hurl a 300-pound boulder 400 meters. Do y

Why does an airplane leave a white trail in the sky as it flies? The answer is different from what y

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稀土是什么？“中东有石油，中国有稀土”！了解中国稀土的重要性

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What is hot ice? Do you know how your palm freezes quickly when you put it in liquid?

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Let me tell you, that fish is about this big!

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【Funny Daily Life of Earth’s Creatures #265】

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Some people are born to be the main character 42

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Bloody and Brutal! A Compilation of Cat Fights!!

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"Nichijou" Sakamoto: It's not me! It's none of my business!

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Immersive experience, no commentary~

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How a vibrator works

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【Funny Daily Life of Earth’s Creatures #302】

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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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How did humans figure out that adding a little water makes it okay to jump off a building?

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【Funny Daily Life of Earth’s Creatures #262】

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What principle allows working people to come up with such wild ideas?

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“The Chosen One”

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A game like this is really not for someone with a low laugh threshold like me, hahaha.

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Why does a soft-shelled turtle never let go once it bites down?

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The incredible "fluidized bed", sand flows like liquid, do you know the principle?

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How are undersea cables laid? Aren't they afraid of being damaged by ships and submarines? Just look

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