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

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

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There are blisters on the wall. What caused this?

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One trillion RMB or Dragon Ball 10,000 combat power, which one would you choose?

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Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

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If you find oil in the wild, bury it quickly

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Why do we insert wooden nails when gluing wood together? #Science #Unzip #Woodworking #Physics

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Why does the bearing emit "hot air" when installing it? This is the interference fit installation me

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

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Cleaning the foam pool at the playground may seem stress-relieving, but it's actually very hard work

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Piano high quality oil

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