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What if the global population reached 100 billion?
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Who invented the QR code, and will it ever run out?
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The “click” every time you fill up with gas has saved everyone’s life.
You’ll never be able to comb your own hair flat—The Hairy Ball Theorem
Self-balancing monorail train: the secret to never tipping over
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Cao Cao’s favoritism toward Guo Jia is unmatched in the Three Kingdoms era.
El Niño: The Hottest Summer Has Already Kicked In
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Why do airplanes fly so high?
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Number One Among the World’s Ten Most Dangerous Airports — Paro Airport
Jia Xu: The Most Cunning Strategist of the Three Kingdoms—A Single Word Unleashed Chaos Across the R
Flight Mode: What you’re pressing isn’t a button—it’s the safety barrier protecting hundreds of live
Episode 1: A Man Escapes Prison Using Just a Single Cigarette
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If you grew 1 centimeter taller every second, how long would it take to fill the entire universe?
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A mysterious manuscript from 600 years ago—no one has yet managed to decipher a single character.
Episode 1: Based on a True Story — The Xi’an Body-Dismemberment Case That Shocked the Nation
How long could humanity survive if a Type VII civilization descended upon Earth?
It has no eyes and no brain, yet it can solve mazes designed by humans.
Episode 2: Liu Huaqiang’s Breakthrough Battle
Watch Cao Bao’er’s Classic Korean Dramas in One Sitting
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Episode 1: What on earth could have driven a father to chop off his daughter’s ten fingers?
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