Comprehensible input in English

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The number on each thumbnail is its difficulty score out of 100: mostly speaking pace, partly vocabulary load. How it is measured →

74/10014:09Why SpaceX Cares About ConcreteC1-C2 · ~9,000 words · fastPractical Engineering74/10030:52AUTOGen Z men want babies. Gen Z women don’t. | The Gray AreaB1-B2 · ~4,000 words · fastVox74/1007:43Can You Picture Things in Your Mind? I Can’t | Alex Rosenthal | TEDB2-C2 · ~9,000 words · fastTED74/10020:04This Bridge’s Bizarre Design Nearly Caused It To CollapseB2-C2 · ~9,000 words · fastPractical Engineering74/10012:28Ozempic Is Both Better And Worse Than You ThinkB2-C2 · ~11,000 words · fastSciShow74/10021:26Is Philips discontinuing their coolest warmest product?B2-C2 · ~8,000 words · fastTechnology Connections74/10017:27East Palestine Train Derailment ExplainedB2-C2 · ~10,000 words · fastPractical Engineering74/1004:36How do sinkholes swallow entire houses and cities? - Elise CuttsC1-C2 · ~20,000 words · fastTED-Ed74/10029:45AUTOWhy Gen Z Graduates Are in CrisisB2-C2 · ~7,000 words · fastColdFusion74/10011:415 Weird Windows of the Future.B2-C2 · ~9,000 words · fastSciShow74/10012:49AUTOAI Fails at 96% of Jobs (New Study)B2-C2 · ~8,000 words · fastColdFusion74/10028:45How Bridge Engineers Design Against Ship CollisionsB2-C1 · ~8,000 words · fastPractical Engineering75/10018:53The Army of Autonomous Robots Restoring Nature | Tom Chi | TEDB2-C2 · ~8,000 words · fastTED75/10013:16How Engineers Straightened the Leaning Tower of PisaB2-C2 · ~9,000 words · fastPractical Engineering75/10016:10Why Are Beach Holes So Deadly?B2-C2 · ~8,000 words · fastPractical Engineering75/10014:43Was Starship’s Stage Zero a Bad Pad?B2-C2 · ~8,000 words · fastPractical Engineering75/10026:31Why We Shouldn't Underestimate This Spy NetworkB2-C2 · ~5,000 words · fastJohnny Harris75/1008:02Plants Have Proprioception and That’s WeirdB2-C2 · ~8,000 words · fastSciShow75/10016:54EXPLODING Glitter Bomb 4.0 vs. Package ThievesB2-C2 · ~8,000 words · fastMark Rober75/10020:33Why Budget Airlines are Suddenly FailingB2-C2 · ~8,000 words · fastWendover Productions75/10015:39AUTOThe Netflix Situations Keeps Getting MessierC1-C2 · ~9,000 words · fastColdFusion75/1002:12:17Hunting Down Smugglers | To Catch A Smuggler MEGA EpisodeB1-B2 · ~5,000 words · fastNational Geographic75/10025:50The Time England Ran Out of BonesC1-C2 · ~15,000 words · fastSciShow75/10011:36What Will Humanity Leave Behind?B2-C2 · ~8,000 words · fastSciShow

Which English channel to start with

Ranked by median difficulty, easiest first. The bar is a range, not a label — a channel typically spans a wide stretch of the scale, so one level would be false for its own hardest videos.

6 of these 7 channels carry the same vocabulary band (B1-B2), and their scores still run from 0 to 88. That gap is pace: what separates the easiest of these channels from the hardest is how fast people talk, not which words they use. How that is measured →