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 →

80/10031:12What’s really happening in the ocean’s “dark zones”B2-C2 · ~7,000 words · fastJohnny Harris80/1001:07:05AUTOInside the White House Tech Dinner, Weak Jobs Report, Tariffs Court Challenge, Google Wins AntitrustB2-C2 · ~6,000 words · fastAll-In Podcast80/10019:41AUTOSo... What Was the Point of Artemis II?B2-C1 · ~8,000 words · fastColdFusion80/10013:29Why Can't Everyone Be Tall?C1-C2 · ~10,000 words · fastSciShow80/1001:34:57AUTOAnthropic's Digital God, Pope vs AI, Job Loss Narrative Flips, Open Source Crackdown Coming?B2-C2 · ~7,000 words · fastAll-In Podcast80/10025:58AUTOThe 2026 Volvo XC90 Is Old But Still GreatB2-C1 · ~6,000 words · fastDoug DeMuro80/10012:44How Rare Are Extra Organs?C1-C2 · ~10,000 words · fastSciShow80/1009:13Grass Could Save The ArcticC1-C2 · ~17,000 words · fastSciShow80/10013:11Recreating an Ancient Pump (with no moving parts)B2-C2 · ~8,000 words · fastPractical Engineering80/10016:06How Horses Save Humans From SnakebitesC1-C2 · ~9,000 words · fastVeritasium80/10018:36I Made a U-Haul go HYPERSONICB2-C2 · ~7,000 words · fastReal Engineering80/10014:10World Record Domino Robot (100k dominoes in 24hrs)B2-C2 · ~6,000 words · fastMark Rober80/1001:55:53AUTOPierre Poilievre: Why America Is Quietly Abandoning Its Allies (& What Comes Next)B2-C1 · ~5,000 words · fastThe Diary Of A CEO80/10023:58The Logistics of a Presidential CampaignB2-C2 · ~10,000 words · fastWendover Productions80/1001:23:06AUTO10 Mysteries We Solved with Archeology | CompilationC1-C2 · ~11,000 words · fastSciShow80/10010:52AUTOThe Honey Scam: ExplainedB2-C1 · ~7,000 words · fastMarques Brownlee80/1009:00AUTOFortune Feimster on World Cup Game with Will Ferrell, The Mindy Project & New Show The HawkB2-C1 · ~3,000 words · fastJimmy Kimmel Live80/10036:44AUTOEssentials: Psychedelics & Neurostimulation for Brain Rewiring | Dr. Nolan WilliamsC1-C2 · ~13,000 words · fastAndrew Huberman80/1001:20:22AUTOIran War, Oil Shock, Off Ramps, AI's Revenue Explosion and PR NightmareB2-C2 · ~7,000 words · fastAll-In Podcast80/10020:37Acid vs Lava- Testing Liquids That Melt EverythingC1-C2 · ~9,000 words · fastMark Rober80/10022:46Pregnancy Doctor Answers Pregnancy Questions | Tech Support | WIREDC1-C2 · ~13,000 words · fastWIRED80/10015:50AUTOWTF Happened in 2024?!B2-C1 · ~5,000 words · fastMarques Brownlee80/10033:28What was Euclid really doing? | Guest video by Ben SyversenC1-C2 · ~11,000 words · fast3Blue1Brown80/1001:01:52AUTOJosh Shapiro on Trump, Iran War Chaos, Israel's Failure, the Economy, and 2028 RaceB1-B2 · ~4,000 words · fastAll-In Podcast

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 →