What is the use of the transparent film on the tip of a ballpoint pen?

A weapon of extreme simplicity yet formidable combat power: the ancient sling!

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A神奇, entirely transparent creature in the sea that looks like a silicone toy

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Why is it so hard to drive a walking tractor?

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How big can a belly get when carrying triplets?

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Why must concrete mixer trucks rinse their drums immediately after work?

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Saudi Arabia is littered with giant, thick-skinned watermelons—back in the day, you could find them

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Where’s the safest seat on an airplane?

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It may seem like a waste to use premium wood for mop handles, but it’s actually a clever application

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Is surgery like car repair? The orthopedic operating room is way more hardcore than you think!

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Immersive Cutting~

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Why can others catch crabs but you can't?

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The world’s Guangji Bridge is the earliest bascule bridge in history.

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Do you know how a water-powered paddle wheel is made? Congratulations—you’ve just invented the water

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How much does a house in North Korea cost?

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Why must steel strands be first separated and combed?

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The astonishing work site of skilled workers

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A satisfying cutting process~

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Explore and Discover

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Can you pick up these things when you’re collecting seafood at low tide? Some of them, definitely do

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Making Penicillin the Old-Fashioned Way

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