What are "heat pipes"? Why are there metal rods on both sides of the Qinghai-Tibet Railway?

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Today’s Curiosity: The Coin Paradox — A math problem that stumped hundreds of thousands of college e

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What Kind of Baby Animal Is This?

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Releasing an ant queen in a crowd of hungry mosquitoes, how will it end?

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Slime Experiment!

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Mexican cannibalistic tribe: They not only cook and eat intruders, but even their own people!

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Sexuality | Why are humans so fascinated by feet?

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Chemistry Turtle Soup

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【DIY】Super long marble orbit

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The Mechanical Beauty of Speed Bumps

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Incredibly tiny! Have you ever seen these world’s smallest wonders?

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Micro-spray alcohol stove, specially designed for aluminum lunch boxes

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The Soviet human-ape hybridization experiment: Five girls were allegedly crossbred with chimpanzees.

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What exactly is a cat-eye peephole? Some people use it to peek at women's private parts—why is it so

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In one go, let’s explore 15 types of glass—how many have you seen?

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When the gym is packed with hot girls, does your strength really get stronger?

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Film|Shūji Terayama|"Pastoral: To Die in the Country" (1974)

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Good guy, there will be no need to build bridges in the future.

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