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 →

66/1003:54:13Jennifer Burns: Milton Friedman, Ayn Rand, Economics, Capitalism, Freedom | Lex Fridman Podcast #457B2-C2 · ~8,000 words · fastLex Fridman66/10020:57AUTOThe Insane Engineering of Europa ClipperC1-C2 · ~11,000 words · fastReal Engineering66/1003:53:09Andrew Bustamante: CIA Spy | Lex Fridman Podcast #310B2-C1 · ~5,000 words · fastLex Fridman66/10014:59How to Communicate with Your Dog, from a Westminster Champion | Jennifer Crank | TEDB2-C1 · ~5,000 words · fastTED66/10014:54STOP 🚫 - These Common English Mistakes are Absolutely WRONG!B1-B2 · ~8,000 words · fastEnglish with Lucy66/10019:33This Gun Could Reach SpaceC1-C2 · ~14,000 words · fastReal Engineering66/10015:30I use these phrases Every. Damn. Day... So YOU should probably learn them too! ✌🏻🇬🇧B1-B2 · ~4,000 words · fastEnglish with Lucy66/10032:27The "standard" car charger is usually overkill—but your electrician might not know thatB2-C2 · ~8,000 words · fastTechnology Connections66/10012:22What’s It Like to Be Killed by Nature’s Most Brutal PredatorC1-C2 · ~11,000 words · fastKurzgesagt – In a Nutshell66/1009:47How to become a great singer | Think Like A MusicianC1-C2 · ~12,000 words · fastTED-Ed66/10011:27Trees Are So WeirdB2-C2 · ~7,000 words · fastKurzgesagt – In a Nutshell66/10027:58Bright from the Start: GE's CFL with an incandescent trick up its sleeveC1-C2 · ~13,000 words · fastTechnology Connections66/1001:11:11Ceiling fans: the simple idea we keep screwing upB2-C1 · ~6,000 words · fastTechnology Connections66/1002:05:13Deciphering Secrets of Ancient Civilizations, Noah's Ark, and Flood Myths | Lex Fridman Podcast #487B1-C1 · ~6,000 words · fastLex Fridman66/1008:27Fifa World Cup excitement and concern: BBC Learning English from the NewsB1-B2 · ~5,000 words · fastBBC Learning English66/10021:54Geothermal Energy is Changing | Quaise Energy DocumentaryB2-C2 · ~9,000 words · fastReal Engineering66/10016:17Ari Aster Breaks Down Scenes from 'Hereditary,' 'Midsommar' and 'Eddington' | Vanity FairB1-B2 · ~4,000 words · fastVanity Fair66/1002:27:58Robert Playter: Boston Dynamics CEO on Humanoid and Legged Robotics | Lex Fridman Podcast #374B1-C1 · ~5,000 words · fastLex Fridman66/10054:46The asbestos problem is worse than we thoughtC1-C2 · ~12,000 words · fastVeritasium66/10011:08Fever Feels Horrible, but is Actually Awesome!B2-C1 · ~7,000 words · fastKurzgesagt – In a Nutshell66/10025:44Speaking English: Critical Phrases and Pronunciation SecretsB1-B2 · ~4,000 words · fastRachel's English66/10016:34The Problem With Science CommunicationB2-C2 · ~9,000 words · fastVeritasium66/10020:52Let's Learn English! Topic: Cool Things! 👟🕶️🏍️ (Lesson Only)B1-B2 · ~4,000 words · fastLearn English with Bob the Canadian66/10013:06The Most Insane Megaproject You Never Heard AboutB2-C2 · ~9,000 words · fastKurzgesagt – In a Nutshell

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.

3 of these 4 channels carry the same vocabulary band (B1-B2), and their scores still run from 0 to 86. 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 →