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

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

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

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Why did the workers dump clams into the mud?

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

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Why is there always a worker crouching in the most dangerous spot next to the piling rig?

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Quick Science: Did you know why trees get “popped”?

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

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A tool men can’t refuse

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Why can others catch crabs but you can't?

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The most perfect revenge!

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☝色情电影布景师

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Are the videos we watched fake? Has wild sex education been fooling us all these years?

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Why must steel strands be first separated and combed?

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

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50 Shades of Compromise

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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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Should you run when you encounter these?

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Chain reaction

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