| 401. | Skyscrapers made from mud? #PlanetFix | 172 | |
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| 402. | The Discovery of DNA | The Cell | BBC Science | 351 | |
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| 403. | Can This Human Tower Defy Gravity? | Forces of Nature | BBC Science | 229 | |
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| 404. | Bin bag hot-air balloon! | Live Experiments (Ep 18) | Head Squeeze | 174 | |
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| 405. | Train Systems Around the World | Generation Earth | BBC Earth Science | 237 | |
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| 406. | Clamp build for phonebook car lift | MEGA Live Experiment | Huw James | Head Squeeze | 174 | |
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| 407. | Are Rats only 5 feet away? | Number Hub (Ep 8) | Head Squeeze | 177 | |
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| 408. | Could Robots Run Our Future Farms? | Trailblazers | BBC Earth Lab | 177 | |
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| 409. | Mars is at its brightest when in opposition to the Sun ☀️ Can you spot Mars? #Mars #constellation | 200 | |
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| 410. | Food and Our Bodies | BBC Earth Science | 210 | |
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| 411. | How to Keep Astronauts Safe From Extreme Space Weather | Solar Superstorms | BBC Earth Science | 226 | Guide |
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| 412. | Why do some Americans want guns? | Global Squeeze (Ep 3) | Head Squeeze | 179 | |
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| 413. | Can you make your food dance? | Live Experiments (Ep 1) | Head Squeeze | 180 | |
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| 414. | Select your Anti Aging Skin Care with DNA | Earth Lab | 182 | |
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| 415. | What Happens When... | BBC Earth Science | 509 | |
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| 416. | The Mysterious Far Side of the Moon | Science's Greatest Mysteries | BBC Earth Science | 382 | |
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| 417. | The Frozen Zoo Saving Endangered Animals | Sustainable Future | BBC Earth Lab | 184 | |
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| 418. | #AskHeadSqueeze in our new G+ Community | Head Squeeze | 184 | |
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| 419. | 4 coloured flaming puddings | 12 Explosions of Christmas with Greg Foot | Head Squeeze | 185 | |
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| 420. | What Does A Low-Carbon Life Actually Look Like? | Future Planet | BBC Earth Lab | 185 | |
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| 421. | Breeding a Baby Crab Army | Changing Planet: Coral Special | BBC Earth Science | 243 | |
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| 422. | Do speed cameras save lives? | Number Hub (Ep 5) | Head Squeeze | 185 | |
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| 423. | Saturn: The Solar System’s Greatest Jewel | BBC Earth Science | 2,765 | |
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| 424. | Weird Inventions: Making Music with Bananas | Earth Lab | 186 | |
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| 425. | Diving into Mexico's Toxic Sewage? | Generation Earth | BBC Earth Science | 223 | |
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| 426. | What is James May's Q&A? | Head Squeeze | 186 | |
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| 427. | Can Meteorites Really Rock Our World? | BBC Earth Science | 217 | |
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| 428. | Astronaut's Mysterious Radiation Belt Story | Anomaly: Bermuda Triangle of Space | BBC Earth Lab | 188 | |
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| 429. | The Impact Space Radiation Has on Our DNA | Anomaly: Bermuda Triangle of Space | BBC Earth Science | 191 | |
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| 430. | How Do We Cut Our Energy Emissions? | A User's Guide To Net Zero | BBC Earth Lab | 190 | Guide |
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| 431. | Can We Travel More But Pollute Less | A User's Guide To Net Zero | BBC Earth Lab | 194 | Guide |
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| 432. | Introducing #AskHeadSqueeze | Head Squeeze | 194 | |
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| 433. | 7 bags of chestnuts roasted by flame cannons | 12 Explosions of Christmas with Greg Foot | HS | 195 | |
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| 434. | Our Body's Natural High | Health Hacks | BBC Earth Lab | 195 | |
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| 435. | Is Weight Determined By Nature or Nurture? | Earth Lab | 195 | |
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| 436. | What If The World Stopped Mining Tomorrow? | Future Planet | BBC Earth Lab | 197 | |
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| 437. | Science behind falling in Love | Sci Guide (Ep 7) | Head Squeeze | 197 | Guide |
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| 438. | Earth’s Next Chapter | Ancient Earth | Earth Lab | 238 | |
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| 439. | How can we tie dye milk? | Live Experiments (Ep 26) | Head Squeeze | 198 | |
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| 440. | Live Experiments announcement | Head Squeeze | 199 | |
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| 441. | What is an itch? EXTRAS | James May's Q&A (Ep 5) | Head Squeeze | 199 | |
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| 442. | Is Laughter the Ideal Drug? | Medical Myths | Earth Lab | 200 | |
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| 443. | 5 Hydrox Santas Bursting! | 12 Explosions of Christmas with Greg Foot | Head Squeeze | 200 | |
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| 444. | Volcanic Ash Farming | Journey To Fire Mountain | BBC Earth Science | 224 | |
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| 445. | Why Microbiomes are so Important | Secrets of the Human Body | BBC Earth Lab | 202 | |
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| 446. | What Are The Fundamental Causes Of ADHD? | Horizon: ADHD and Me | BBC Earth Science | 481 | |
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| 447. | Nature really naturing whilst filming our new series, Earth 😮 | 204 | |
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| 448. | How Does a Gastric Bypass Work? | Earth Lab | 206 | |
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| 449. | Testing Breast Tissue for Cancer | Earth Lab | 206 | |
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| 450. | 9 Reindeers A'Rocketing | 12 Explosions of Christmas with Greg Foot | Head Squeeze | 207 | |
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| 451. | How Do We Feed More People With Less Land? | A User’s Guide to Net Zero | BBC Earth Lab | 207 | Guide |
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| 452. | Stars revolve around the North Star in a circular trajectory 💫 #Space #Earth #Universe #Science | 410 | |
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| 453. | Make your own lava lamp! | Live Experiments (Ep 4) | Head Squeeze | 209 | |
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| 454. | Can Genes Make You Good at Sports? ft Rebel FC | Earth Lab | 210 | |
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| 455. | Why can we see through glass? EXTRAS | James May's Q&A (Ep 4) | Head Squeeze | 211 | |
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| 456. | How do noise cancelling headphones work? EXTRAS | James May's Q&A (Ep 10) | Head Squeeze | 212 | |
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| 457. | Ask an astronaut: ESA Hangout Highlights | Head Squeeze Special | 214 | |
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| 458. | Lift a person with phone books? | Live Experiments (Ep 11) | Head Squeeze | 215 | |
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| 459. | Using IVF to Save Coral | Changing Planet: Coral Special | BBC Earth Science | 248 | |
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| 460. | How to Recreate Solar Flares | Earth Lab | 216 | Guide |
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| 461. | Where does the atmosphere end? EXTRAS | James May's Q&A (Ep 6) | Head Squeeze | 216 | |
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| 462. | Can you imagine a world where you'd be smaller than a mushroom? | 248 | |
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| 463. | How Volcanoes Shaped Life on Earth | Earth: The Power of the Planet | BBC Earth Lab | 217 | |
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| 464. | How can you make Justin Bieber disappear? | Mind Warp (Ep 10) | Head Squeeze | 219 | |
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| 465. | How Molten Magma Helped Transform Our Planet | Ancient Earth | BBC Earth Lab | 220 | Let's Play |
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| 466. | Life Survives in Extreme Icy Conditions | Earth | BBC Earth Lab | 220 | |
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| 467. | The Strange Magnetic “Anomaly” Under Africa | Anomaly: Bermuda Triangle of Space | BBC Earth Lab | 241 | |
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| 468. | When The World Went To War Over Bird Poop | Elemental | BBC Earth Lab | 222 | |
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| 469. | Greg Foot introduces Geek Week | Head Squeeze | 222 | |
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| 470. | The equation for the best equation by Dr Tom Whyntie | Head Squeeze | 222 | |
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| 471. | How Do We Heat Our Homes Without Heating the Planet? | A User's Guide To Net Zero | BBC Earth Lab | 223 | Guide |
|
| 472. | How can you make an exploding bag? | Live Experiments (Ep 23) | Head Squeeze | 225 | |
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| 473. | Are you even real? Watch the full episode on our channel now! | 225 | Vlog |
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| 474. | The World's First River To Legally Become A Person | Sustainable Future | BBC Earth Lab | 226 | |
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| 475. | What are Comets? | Sci Guide (Ep 10) | Head Squeeze | 227 | Guide |
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| 476. | Felix Baumgartner's Supersonic Freefall | Red Bull Stratos | BBCEarth Lab | 228 | |
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| 477. | 8 Brussels Sprouts Cannon balls | 12 Explosions of Christmas with Greg Foot | Head Squeeze | 229 | |
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| 478. | What Happens When Space Junk Collides? | Horizon: Space Junk | Earth Lab | 229 | |
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| 479. | Can you really trust your own memory? Watch the full episode on our channel now! | 231 | Show |
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| 480. | Where have all the airships gone? EXTRAS | James May's Q&A (Ep 8) | Head Squeeze | 231 | |
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| 481. | How To Exercise Smart | Health Hacks | BBC Earth Lab | 231 | Guide |
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| 482. | Genes Affect How Much Alcohol We Can Drink | Horizon: Is Binge Drinking Really That Bad? | Earth Lab | 231 | |
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| 483. | Can We Overcome Our Fears? | Secrets of the Human Body | BBC Earth Lab | 232 | |
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| 484. | Beavers: Ecosystem Engineers |Trailblazers | Earth Lab | 232 | |
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| 485. | Is There Life on Mars? | Science’s Greatest Mysteries | BBC Earth Science | 262 | |
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| 486. | What If Concrete Was Actually A Climate Saviour? | New Directions | BBC Earth Lab | 233 | |
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| 487. | How Hard Is It to Think Underwater? | Astronauts: Toughest Job In The Universe | BBC Earth Science | 238 | |
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| 488. | Listening to the Big Bang Through a Radio I Wonders of the Universe I BBC Earth Lab | 235 | |
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| 489. | 3 high explosive crackers in SLOW MO | 12 Explosions of Christmas with Greg Foot | Head Squeeze | 235 | |
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| 490. | Surviving the emergency evacuation | Plane Crashes #2 | Earth Lab | 235 | |
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| 491. | Look at those teeth! #Earth #Fossils #Sabretooth | 235 | |
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| 492. | Could You Stop A Hurricane Using Bubbles? | This World Is Wild | BBC Earth Lab | 237 | |
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| 493. | Can You Transplant Someones Soul? | Heartbreak Science | BBC Earth Science | 383 | |
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| 494. | Protecting Astronaut's from Deadly Radiation | Anomaly: Bermuda Triangle of Space | BBC Earth Lab | 238 | |
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| 495. | Just wait for that final view 🤩 #DroneShot #Views #Earth | 239 | |
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| 496. | Diving Into a Pink Toxic Lake | Earth: The Power of the Planet | BBC Earth Lab | 239 | |
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| 497. | Experiencing Gravity on Other Planets | Wonders of the Universe | BBC Earth Lab | 240 | |
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| 498. | Unsung Science Heroes: Turing Vs Feynman Vs Lowe | Sci Guide (Ep 15) | Head Squeeze | 241 | Guide |
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| 499. | Can GPS Predict Earthquakes? | In Orbit | BBC Earth | 242 | |
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| 500. | How do microwaves work? | Live Experiments (Ep 7) | Head Squeeze | 243 | |
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