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 →

80/1008:37What The Media Got Wrong About Octopus CitiesC1-C2 · ~10,000 words · fastSciShow80/1008:15AI the Product vs AI the FeatureB2-C1 · ~6,000 words · fastMarques Brownlee80/10035:53AUTOI'm Happy Hermeus Let Me Upload ThisB2-C2 · ~8,000 words · fastReal Engineering80/10011:14Geology Created Madagascar's Weird AnimalsC1-C2 · ~15,000 words · fastSciShow80/10013:18What Sewage Treatment and Brewing Have in CommonC1-C2 · ~17,000 words · fastPractical Engineering80/10035:32Why does every mammal get 1 billion heartbeats in their life?B2-C2 · ~9,000 words · fastVeritasium80/10020:37HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 2B2-C2 · ~9,000 words · fastPractical Engineering80/1009:35AUTOThis "Phone" is Bad... Which Makes it Better?B2-C2 · ~6,000 words · fastMarques Brownlee80/10014:43AUTOAustralia's Insane Social Media BanB2-C2 · ~9,000 words · fastColdFusion80/1009:01The credit card crisisB1-B2 · ~5,000 words · very fastVox81/10012:50Why Retaining Walls CollapseB2-C2 · ~8,000 words · fastPractical Engineering81/10014:51Why Buildings Need FoundationsB2-C2 · ~8,000 words · fastPractical Engineering81/10015:41Google Pixel 10/Pro/Fold Impressions: Magnets!B2-C2 · ~7,000 words · fastMarques Brownlee81/10019:17AUTOPlanned Obsolescence (ft. Louis Rossmann)B2-C2 · ~8,000 words · fastColdFusion81/10012:49Is Luck Random — or Can You Cultivate It? | Christian Busch | TEDB1-C2 · ~6,000 words · very fastTED81/10024:05Google Pixel 9/Pro Review: Gimmick or Good?B2-C2 · ~6,000 words · fastMarques Brownlee81/10018:53AUTOI'm Taking a BreakB1-C1 · ~5,000 words · very fastMarques Brownlee81/10011:50AirPods Pro 3 Review: I Understand It Now!B2-C1 · ~6,000 words · fastMarques Brownlee81/10036:16Space WAR Has Already BegunB2-C1 · ~5,000 words · fastJohnny Harris81/1001:32:00You are being misled about renewable energy technology.B2-C1 · ~6,000 words · fastTechnology Connections81/10020:41iPhone 16/16 Pro Review: Times Have Changed!B2-C1 · ~6,000 words · fastMarques Brownlee81/10014:53Why Are Rails Shaped Like That?B2-C2 · ~9,000 words · fastPractical Engineering81/10027:24Tesla Cybertruck Review: Already Iconic?B2-C1 · ~5,000 words · very fastMarques Brownlee81/10028:21Everything That's Changed With Nine of Our Most Popular VideosC1-C2 · ~11,000 words · fastWendover Productions

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 →