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 →

83/10016:58Every Type of Railcar Explained in 15 MinutesB2-C2 · ~10,000 words · fastPractical Engineering83/1002:12:01AUTOThe Biggest Mysteries Science Still Hasn't Solved | CompilationB2-C2 · ~10,000 words · fastSciShow83/1004:18Why animals help each other - Ashley WardC1-C2 · ~15,000 words · fastTED-Ed83/10015:53Why Some Roads Are Made of StyrofoamC1-C2 · ~13,000 words · fastPractical Engineering83/10017:56AUTONew Zealand's Australia ProblemB2-C2 · ~10,000 words · fastWendover Productions84/1007:48Bagged Salad Shouldn’t ExistC1-C2 · ~11,000 words · fastSciShow84/10011:29Edible shelf fungus (chicken of the woods 'mushroom')C1-C2 · ~13,000 words · fastAdam Ragusea84/10012:06Axolotls Are In Danger. Here's Why That's Bad For YOU.C1-C2 · ~20,000 words · fastSciShow84/10012:36How To Make A Baby With Three ParentsC1-C2 · ~20,000 words · fastSciShow84/10010:034 Fungi We've Finally Figured Out How To FarmC1-C2 · ~15,000 words · fastSciShow84/10014:13How Wells & Aquifers Actually WorkC1-C2 · ~13,000 words · fastPractical Engineering84/10042:39AUTOOne Piece of News From Every Country in the WorldC1-C2 · ~12,000 words · fastWendover Productions84/10011:50How to Clean Sewage with GravityC1-C2 · ~13,000 words · fastPractical Engineering84/10018:43What food companies don't want you to knowB2-C2 · ~9,000 words · fastJohnny Harris85/1008:42The Importance of ThumbnailsC1-C2 · ~12,000 words · fastSciShow85/10018:16AUTOHow Nike Lost Its WayC1-C2 · ~11,000 words · fastWendover Productions85/1005:12Why Are People Starting to Sound Like ChatGPT? | Adam Aleksic | TEDC1-C2 · ~14,000 words · fastTED85/10012:48Ontario is Getting TallerC1-C2 · ~14,000 words · fastSciShow85/10034:57AUTOEssentials: How to Exercise for Strength Gains & Hormone Optimization | Dr. Duncan FrenchC1-C2 · ~11,000 words · fastAndrew Huberman85/10035:37AUTOEssentials: Micronutrients for Health & Longevity | Dr. Rhonda PatrickC1-C2 · ~14,000 words · fastAndrew Huberman85/10018:05The Top 5 Problems of the Standard ModelC1-C2 · ~12,000 words · fastSciShow85/1009:46The town aluminum comes fromC1-C2 · ~10,000 words · fastAdam Ragusea85/1001:26:07No.1 Nitric Oxide Expert: Why You’re Always Tired and It’s Not Your FaultC1-C2 · ~13,000 words · fastThe Diary Of A CEO86/10022:46AUTOWhat are the options? Builder’s Insulation Playbook - Ep. 2C1-C2 · ~12,000 words · fastMatt Risinger

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 →