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

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Reptile Pet | Parabuthus Transvaalicus VS Camel Spider

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What happens when leeches meet mustard?

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Amazing! A Mantis Broke Its Leg And Grows a New One!

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They say diamonds are forever, but they can be burned and broken.

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Strong men VS. Strong fish

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

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Incredible seed growth process!!

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Homemade Fly Trap

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Let's take a look at some satisfying work scenes! 10.9

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Let's take a look at the amazing workplace of skilled workers 9.2

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Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

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What Creatures Can Take Blood From Leeches?

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

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LEGO Challenge: Find the best wheel to climb

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Battery Magnet Train

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How about feeding live leeches to nepenthes? Can you digest it?

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Man speed bump!! A satisfying job site~

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Convex lens experiment

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