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 →

67/10046:51Could This Be The Next Air Force One? - HermeusB2-C2 · ~8,000 words · fastReal Engineering67/10011:27There Is Life Hiding Inside EarthC1-C2 · ~13,000 words · fastKurzgesagt – In a Nutshell67/10050:56Advanced English Conversation: Daily Routine EnglishB1-B2 · ~4,000 words · fastSpeak English With Vanessa67/10027:15Eating Huarache, Tacos, & More in Mexico City! | Epic Food Journeys with Mark Wiens | Nat GeoB2-C2 · ~9,000 words · fastNational Geographic67/10020:38Viking Age Expert Answers Viking Questions From Twitter | Tech Support | WIREDB1-C1 · ~5,000 words · fastWIRED67/10010:31Sitting All Day Is Killing You — Here’s What to Do About It | Manoush Zomorodi | TEDB1-C1 · ~5,000 words · fastTED67/10015:15Rhett & Link Answer The Web's New Most Searched Questions | WIREDB1-B2 · ~3,000 words · fastWIRED67/10017:25How to order fast food at C1 (Advanced) Level of English! 🍟B2-C2 · ~11,000 words · fastEnglish with Lucy67/10032:19Historian Answers Folklore Questions | Tech Support | WIREDB2-C2 · ~7,000 words · fastWIRED67/10021:47Lessons from a Can OpenerB2-C1 · ~7,000 words · fastTechnology Connections67/10027:25The Insane Engineering of Re-EntryC1-C2 · ~14,000 words · fastReal Engineering67/1005:52Healthy meals on a budget ⏲️ 6 Minute EnglishB1-B2 · ~4,000 words · fastBBC Learning English67/10031:10The Hidden Science of FireworksB2-C1 · ~7,000 words · fastVeritasium67/1005:05Is it really that bad to eat cookie dough? - Emma BryceC1-C2 · ~16,000 words · fastTED-Ed67/10013:38This Video Might Save 58 Lives Next WeekB1-B2 · ~5,000 words · fastKurzgesagt – In a Nutshell67/10015:37Ripped From the Headlines! | Free Pronunciation and Vocabulary LessonB2-C1 · ~8,000 words · fastRachel's English67/1001:36:48AUTOThe Iran War Expert: The Most Dangerous Stage Begins Now (STAGE 4)B2-C1 · ~5,000 words · fastThe Diary Of A CEO67/10015:05NASA's Plan to Build A Telescope on the MoonC1-C2 · ~13,000 words · fastReal Engineering67/10018:03How Earthquake Bearings WorkB2-C2 · ~10,000 words · fastPractical Engineering67/10011:36The Fat ProblemC1-C2 · ~12,000 words · fastKurzgesagt – In a Nutshell67/1003:03:33Jordan Peterson: Life, Death, Power, Fame, and Meaning | Lex Fridman Podcast #313B2-C1 · ~5,000 words · fastLex Fridman67/10017:02Why People Prefer More PainB2-C1 · ~8,000 words · fastVeritasium67/10023:01Let's Learn English! Topic: Advanced Weather Vocabulary! 🌡️☁️⛅ (Lesson Only)B1-C2 · ~5,000 words · fastLearn English with Bob the Canadian67/10021:25Let's Learn English! Topic: Hospitals 👩‍⚕️🩺🏥 (Lesson Only)B1-B2 · ~3,000 words · fastLearn English with Bob the Canadian

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 →