Moms cried after watching, dads went silent—these mind-blowing facts that completely shattered mom's

B站’s original name is not bilibili? These “B站 cold facts” that will subvert your worldview!

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Human Speed Bump Tool

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The foreigner's giant plow tractor actually has a cab from the last century!

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Learn a wilderness survival trick every day

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Practical life tips~

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How a Car Engine Works

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A millennium-old mystery—anyone who understands can step forward and explain it.

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College guy wears women's clothes and dances in the mall—actually mistaken for a cute girl?!

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Machines make work simple!! (Stress-relieving version)

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Decompression video of the mechanical series~

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Seeing the collision of atomic nuclei with the naked eye

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In 1 Minute: How to Tell the Difference Between Surgeons and Internists!

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[Origami-Tutorial] Follow along and fold a birthday strawberry cake out of paper

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Where do mosquitoes lay their eggs?

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Men's speed bumps – the mechanical series~

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Practical tips for simple life to make you more efficient

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The Evolutionary History of Aliens

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The Fertilization Process of Sperm and Egg

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College Students Push the Boundaries

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Today's stress-relief video!! An astonishing workplace scene~

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