Osmium, the world's densest metal, has a specific gravity of 22.59. Why does it float on liquids?

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The Man Speed Bump: The Perfect Machine

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The “Speed Bump Man”—a machine no one can resist

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What happens when the pilots disagree, with the captain steering left and the co-pilot steering righ

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What is hot ice? Do you know how your palm freezes quickly when you put it in liquid?

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The “torture device” that leaves athletes’ vocal cords hoarse

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Nick Cheung's dark and violent work.

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Principles of Turbocharging and Supercharging

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

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Girl lets out a desperate scream as she loses strength while rock climbing

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The Most Emotional Chinese New Year

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【Music】Linkin Park - Numb (Russian)

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Which clouds should you run from?

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Legend of Traditional Chinese Medicine: The Heir of Secret Methods and the Master of Qi Refining

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Why is a single toothpick so expensive?

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Bamboo is drilled and filled with liquor to make bamboo‑tube wine, while tree trunks are scorched to

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