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 →

66/10013:06The Most Insane Megaproject You Never Heard AboutB2-C2 · ~9,000 words · fastKurzgesagt – In a Nutshell66/10058:53What happens if you drop 0.125 grams of antimatter?C1-C2 · ~15,000 words · fastVeritasium66/10022:50Why America’s Tank Failed in UkraineC1-C2 · ~11,000 words · fastReal Engineering66/10026:33The Most Underrated AlgorithmB2-C2 · ~11,000 words · fastVeritasium66/1005:27How comic books can help you learn - Gene Luen YangB1-C1 · ~7,000 words · fastTED-Ed66/10014:18Surfside Condo Collapse: What We Know So FarC1-C2 · ~10,000 words · fastPractical Engineering66/10012:57Is The World Getting More Violent?B2-C2 · ~8,000 words · fastKurzgesagt – In a Nutshell66/10029:57The tech which can charge an electric car in 10 minutesC1-C2 · ~10,000 words · fastTechnology Connections66/10039:03Movies made sound with a light bulb: Sound-on-filmC1-C2 · ~11,000 words · fastTechnology Connections66/10010:29Kamala Harris Answers The Web's Most Searched Questions | WIREDB1-C1 · ~4,000 words · fastWIRED66/1004:56One big reason that life on Earth exists - Elise CuttsB2-C2 · ~9,000 words · fastTED-Ed67/1005:02Winter got you feeling down? Watch this - Kelly RohanC1-C2 · ~13,000 words · fastTED-Ed67/10023:14An Engineer's Perspective on the Texas FloodsB2-C2 · ~11,000 words · fastPractical Engineering67/10011:58How much thrust does a ceiling fan produce?B2-C2 · ~7,000 words · fastTechnology Connections67/10019:39Air fryers are simpler than you think, but still pretty neatB2-C2 · ~7,000 words · fastTechnology Connections67/1001:03:33This goofy fridge has a really clever design. It's also kinda terrible.B2-C2 · ~7,000 words · fastTechnology Connections67/10024:01Why People Are So Confident When They're WrongB2-C2 · ~9,000 words · fastVeritasium67/10021:15Why Is MIT Making Robot Insects?B2-C2 · ~8,000 words · fastVeritasium67/1005:133 Habits to Practice Curiosity — and Escape Your Phone | Nayeema Raza | TEDB1-C1 · ~5,000 words · fastTED67/10055:51Nobody understands the point of hybrid carsB2-C2 · ~8,000 words · fastTechnology Connections67/10013:51What's the deal with the popcorn button?B2-C2 · ~6,000 words · fastTechnology Connections67/10019:47How did they actually take this picture? (Very Long Baseline Interferometry)B2-C1 · ~7,000 words · fastVeritasium67/10014:21Mark Rober’s $60 Million Science Experiment | TEDB2-C1 · ~6,000 words · fastTED67/10046:51Could This Be The Next Air Force One? - HermeusB2-C2 · ~8,000 words · fastReal Engineering

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 →