What is "cobalt"? The "hero" element in phone batteries—why is it nicknamed "demon"?

The slowest aircraft in the world, F1D, has a thin layer of material, but can fly in the sky for 40

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Let's find out why the starfish is capable of regeneration

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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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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

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CCTV Surveillance Camera Funny Clips

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What was used as a pet in China has become the "most ferocious animal" in Australia, and the governm

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

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The "most spineless" sheep drags 50 pounds of wool and begs its owner to shear it after running away

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Speed Bump Worker Series

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Russia Dispatched Special Forces To Catch The Thieves

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"The whole body is injected with metal, bullets can't penetrate it at all"

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When MC upgrades, it becomes more scientific, and the maximum level is beyond my imagination # Minec

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The first step after a burn is not to go to the hospital immediately!

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China's Top 10 Zombie Categories: Beautiful Zombies! Even the most beautiful zombies are afraid of t

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How dangerous is it really to reach the summit of Mount Everest? Why does Everest have two "heights"

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Incredible "sound-induced light", the bubble burst temperature is as high as 20,000℃, which is 4 tim

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What is the orpiment in falsehood?

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Everyone burst into tears when they saw her body.

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Can you find underground water sources by holding two copper wires?

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[Boys beware] Why are Japanese girls so thin despite having big breasts?

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