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Oops I Changed the WorldA Swiss chemist's attempt to make a lung drug results in LSD; the son of enslaved parents tries to reverse the fortunes of sharecroppers and inadvertently gives rise to PB&J.

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Oops I Changed the WorldA Swiss chemist's attempt to make a lung drug results in LSD; the son of enslaved parents tries to reverse the fortunes of sharecroppers and inadvertently gives rise to PB&J.0Oops I Changed the WorldPavlov's investigations into dog digestion lead to phone addiction; a failed quest to find a safer refrigerant creates Teflon; a damaged delivery crate is instrumental in the invention of dynamite.

4th and Forever

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4th and Forever: Alcoa

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4th and Forever: DeSoto

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4th and Forever: Muck City

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A Curious World

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Adolf Galland Legacy

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Age Of Big Cats

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Amazing Dinoworld

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Ancient Earth

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Ancient Earth: Dinosaurs of the Frozen Continent

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Ancient Engineering

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Ancient Yellowstone

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Art Ninja, Part 1

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Art Ninja, Part 2

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Awesome Adventure

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Becoming Xtraordinary presented by Bear Grylls

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Besieged Fortresses, Battles Of Legend

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Beyond The Spotlight

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Big Picture Earth: Natural Sound

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Blindspots

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Bright Now, Part 1

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Bright Now, Part 2

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Butterfly Effect

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Casey's Wild Backyard

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Celts: The Untold Story

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Changing Ocean Asia

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Curious Minds: Deepak Chopra

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Destination: Moon

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Destination: Pluto

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Digits

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Dynamic Genomes

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Eat Like

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Eat Me (Or Try Not To)

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Eclipse Across America

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Ecuador: On The Wild Side

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Engineering the Future

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Evolve

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FASTER!

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Future Cities Asia

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Gaming Show: In My Parents' Garage

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Giants

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Growing Up

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Gym Stars, Part 1

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Gym Stars, Part 2

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HI$TORY With Peter Sagal

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History By The Numbers

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History: The Interesting Bits

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Illusions

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Impossible Escapes: Civil War

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• Now Playing40minPauline Cushman: Tales Of A Yankee Spy
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Inside The Mind Of A Con Artist

• Now Playing53minMatthew Cox
• Now Playing52minChristophe Rocancourt
• Now Playing53minJan Lewan
• Now Playing53minFrédéric Bourdin
• Now Playing52minShaun Greenhalgh
• Now Playing52minHelmut Kiener

Junior Vets

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Lysander: The Workhorse

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My Wild Backyard

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Nature Through Her Eyes

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Nature's Hidden Miracles

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Normandy, Land Of Warriors

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NYC Revealed

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Oddly Satisfying Science

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Of Knights And Arrows

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Oops, I Changed the World

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• Now Playing53minBlue Genes
• Now Playing52minThe Beat Goes On
• Now Playing53minFlash Of Success
• Now Playing53minSweet Success
• Now Playing53minAcid Test
• Now Playing52minHair Raising Science
• Now Playing52minDiscovering Drink
• Now Playing52minBigger Bang
• Now Playing52minLaxative Lunacy
• Now Playing53minGet A Grip
• Now Playing53minHow Saran Wrap Saved D-Day
• Now Playing53minSleeping On the Job
• Now Playing53minTeas & Tipple
• Now Playing53minLenin to Lady Gaga

Operation Ouch, Part 1

• Now Playing29minWhat Makes You, You?
• Now Playing28minWhy Do Bones Break?
• Now Playing29minWhat Makes You Go Yuck?
• Now Playing28minDon't Pick Your Scabs!
• Now Playing29minWhy Your Poo Is Brown?
• Now Playing28minHow To Grow A Brain
• Now Playing28minWhat Thumbs Are For
• Now Playing28minHow Your Reflexes Can Save You
• Now Playing29minWhy Is Sweat Salty
• Now Playing29minGet Your Body Moving!
• Now Playing28minWhy Are Some People Faster Than Others?
• Now Playing28minIs My Body Electric?
• Now Playing29minThe Body Roadtrip! (Best Of)
• Now Playing29minThe Ouch! Awards (Special)
• Now Playing31minThe Life Fix (Special)
• Now Playing28minWe're Having A Baby
• Now Playing28minDoctors Face Off!
• Now Playing28minThere's A Lizard In The Lab!
• Now Playing28minLoud, Loud, Louder!
• Now Playing28minWhat Are Vaccinations For?
• Now Playing28minSlime, Snot And Bogies!
• Now Playing29minFlexible Arms And Triple Jumping!
• Now Playing29minKnobbly Knees And What They Are For
• Now Playing28minYour Brilliant Brain And Sparky Signals
• Now Playing29minAll Hail King Xand!

Operation Ouch, Part 2

• Now Playing29minMighty Muscles!
• Now Playing29minBlood Super-Highway
• Now Playing29minBattle Of The Blood Cells
• Now Playing30minThe Ouch! Awards 4
• Now Playing28minIt's Hairy!
• Now Playing29minHow Can You See In The Dark?
• Now Playing28minMagnificent Mucus
• Now Playing29minMind You Don't Fall!
• Now Playing28minTendon Take Off!
• Now Playing29minMouth V Knee
• Now Playing29minYou're Mostly Made Of Water!
• Now Playing29minExplosive Energy!
• Now Playing29minFingers On Buzzers!
• Now Playing29minIt's A Lung Slide!
• Now Playing29minEarmageddon!
• Now Playing29minHeroic Hippocampus
• Now Playing29minTotally Gross!
• Now Playing29minOperation Ouch! Does Space
• Now Playing29minLet's Talk About Cancer

Operation Ouch: Ouchtastic

• Now Playing29minOuchtastic! Skeleton
• Now Playing29minOuchtastic! Digestion
• Now Playing29minOuchtastic! Ears
• Now Playing29minOuchtastic! Eyes
• Now Playing29minOuchtastic! Teeth

Planet Insect

• Now Playing55minPart One: Small Creatures, Big Lives
• Now Playing55minPart Two: The Next Generation
• Now Playing57minPart Three: Hive Minds

Prescription: Nutrition

• Now Playing18minEpisode 1: Green Revolution
• Now Playing18minEpisode 2: Grain Of Truth
• Now Playing18minEpisode 3: Nature's Candy
• Now Playing16minEpisode 4: Spilling The Beans

Proof Of Concept

• Now Playing51minConceiving Consciousness
• Now Playing50minRandomness & Probability
• Now Playing50minTruth & Logical Paradox
• Now Playing50minThe Infinite

Race With A Lady

• Now Playing30minRace With A Lady: Part I
• Now Playing30minRace With A Lady: Part II

Rebuilding Ancient Rome

• Now Playing5minAra Pacis
• Now Playing4minBaths Of Caracalla
• Now Playing4minCircus Maximus
• Now Playing4minColosseum
• Now Playing3minCuria Julia
• Now Playing6minDomus Aurea Outside
• Now Playing3minForum Of Augustus
• Now Playing5minForum Of Peace
• Now Playing4minHarbor Of Trajan
• Now Playing5minOstia Antica
• Now Playing5minPantheon
• Now Playing4minStadium Of Domitian
• Now Playing4minTemple Of Jupiter
• Now Playing6minRoman Forum
• Now Playing6minTheater Of Pompey

Rescued Chimpanzees Of The Congo With Jane Goodall

• Now Playing53minBuilding The Dream
• Now Playing53minNew Arrivals
• Now Playing53minMaking Friends
• Now Playing53minThe Big Move
• Now Playing53minHope
• Now Playing51minPath to Freedom
• Now Playing50minHeroes
• Now Playing50minExpect the Unexpected
• Now Playing50minIsland Life
• Now Playing50minAll Animals Welcome
• Now Playing51minReady to Go

Royals: Keeping The Crown

• Now Playing50minThe Cousins' War
• Now Playing50minNazi Royals
• Now Playing50minPost-War Amnesia
• Now Playing50minBreaking Tradition
• Now Playing50minRebel Princess
• Now Playing50minThe Pursuit of Normal

Running The Wild

• Now Playing25minCopenhagen
• Now Playing25minLondon
• Now Playing25minParis
• Now Playing25minCroatia
• Now Playing25minSantorini
• Now Playing25minBest Of Ep. 1 To 5
• Now Playing25minLisbon
• Now Playing25minDelhi
• Now Playing25minMexico City
• Now Playing25minGran Canaria
• Now Playing25minJamaica
• Now Playing25minBest Of Ep. 7 To 11

Scanning The Nile

• Now Playing53minLost Cities Of The Delta
• Now Playing53minLost Routes To The Pyramids
• Now Playing51minTraces Of The Pharaohs Of Luxor
• Now Playing53minMaterials Convoys: A Pharaonic Task

Schnellbomber

• Now Playing26minSchnellbomber: Part One
• Now Playing22minSchnellbomber: Part Two

Science In Archaeology 3.0

• Now Playing51minMaking Objects Speak
• Now Playing53minMaking The Dead Speak
• Now Playing51minMaking Sites Speak
• Now Playing52minMaking The Invisible Speak

Sea Hunters

• Now Playing20minHumpback Gang
• Now Playing20minOrcas vs. Humpback
• Now Playing20minSea Lions vs. Orcas
• Now Playing20minDolphins and Gannets
• Now Playing20minSeals vs. Hyennas
• Now Playing20minWhales vs. Gulls

Secret Lifes of Sharks

• Now Playing14minGreat White Shark
• Now Playing12minHammerhead Shark
• Now Playing15minTiger Shark

Silly Sustainability

• Now Playing18minCan You Power A Lawnmower With Grass?
• Now Playing19minK-Cups/Recycled Plastic into Shoes
• Now Playing15minCardboard Lumber Part 1
• Now Playing20minCardboard Lumber Part 2

Siyaya: Wildest Cape

• Now Playing25minCederberg - The Secret Library
• Now Playing25minDe Hoop - Place Of Hope
• Now Playing25minGoukamma - A Last Wild
• Now Playing25minWest Coast - Heading For Bird Island
• Now Playing25minLambert's Bay Bird Island - Where The Birds Are In Charge
• Now Playing25minThe Hottentots Holland Mountains - Crossing The Mountains
• Now Playing25minHottentots Holland Nature Reserve - On Angel's Wings
• Now Playing25minThe Hottentots Holland Mountains - Unfinished Business
• Now Playing25minKogelberg - Source To Sea
• Now Playing25minRobberg - Learning About Survival
• Now Playing25minRobberg - The Exploration Continues
• Now Playing25minAnysberg - Hidden Gem Of The Klein Karoo
• Now Playing25minGamkaberg - Mountain Fortress

Space Greed

• Now Playing11minDeclaring Martian Law
• Now Playing12minSol Ownership: Can a Corporation Own The Sun?
• Now Playing11minTerraforming: Can We Build a Planet B?
• Now Playing12minCarbon Costs: Is Space Exploration Even Worth It?
• Now Playing12minLooting the Moon For Trillions of Dollars
• Now Playing12minAsteroid Mining: Is The Next Gold Rush in Space?
• Now Playing11minEndangered Aliens: Will Humans Trash Space?
• Now Playing12minSpace Cowboys: Who Will Wrangle Asteroids and Save The Earth?
• Now Playing13minArming Space Force
• Now Playing11minAbove the Law
• Now Playing12minToxic Space Factories
• Now Playing12minSuing Our Way to Space
• Now Playing15minWill Satellites Help Us Save or Exploit Earth?
• Now Playing12minSpace Pirates
• Now Playing11minMad Scientists in Outer Space
• Now Playing12minSpace as a Tax Haven
• Now Playing15minGoing So Fast Time Slows Down
• Now Playing14minSpace & Shelter
• Now Playing13minWorld Wide Wifi
• Now Playing14minStrange Space Recipes

Space Phenomena

• Now Playing49minAlien Planets
• Now Playing48minBlack Holes

Space Probes!

• Now Playing53minInner Planets
• Now Playing53minOuter Planets
• Now Playing30minVoyager: The Grand Tour
• Now Playing26minCassini and The Crown Jewel
• Now Playing27minRed Rovers
• Now Playing23minPluto's Heart
• Now Playing20minOur Inner Circles of Hell
• Now Playing24minFuture Missions

Speed

• Now Playing50minAcross Oceans
• Now Playing53minAcross Continents
• Now Playing54minInto the Skies
• Now Playing54minInto Space

Stephen Hawking's Favorite Places

• Now Playing27minPart 1
• Now Playing28minPart 2
• Now Playing28minPart 3

Suppressed Science

• Now Playing26minMerging Man & Machine
• Now Playing26minThe Suppressed Science Of Psychedelics
• Now Playing25minRace: Science, Social Construct, or Both?
• Now Playing24minWeather Control: The Debate Over Geo-Engineering
• Now Playing23minWeather Control: The Debate Over Geo-Engineering
• Now Playing22minGenetic Editing
• Now Playing22minAlternative Energy Sources
• Now Playing22minTheories Of Everything

Tech Toys, Part 1

• Now Playing26minTechploration
• Now Playing26minFuture Now
• Now Playing23minTransport And Design
• Now Playing23minInnovation Lift Off
• Now Playing23minDesign Inspired
• Now Playing23minMultilevel Mobility
• Now Playing23minTransport Tech
• Now Playing23minEdge Of Elevation
• Now Playing23minShutter Speed
• Now Playing23minMachines In Motion
• Now Playing23minSpeed Of Sound
• Now Playing23min4 Wheels Of Wonder
• Now Playing23minReady, Set, Go
• Now Playing23minFace Of Innovation
• Now Playing23minSky's The Limit
• Now Playing23minIconic Innovation
• Now Playing23minDriving Into The Future
• Now Playing23minElectric Revolution
• Now Playing23minTransport Through Time
• Now Playing23minElectrified
• Now Playing23minShift In Transport
• Now Playing23minSpeed + Efficiently
• Now Playing23minForm Meets Function
• Now Playing23minTomorrow's Transport
• Now Playing23minThe Innovation Game

Tech Toys, Part 2

• Now Playing23minDevelop. Design. Print.
• Now Playing23minFour Eyes, Four Wheels
• Now Playing23minTechnology Refueled
• Now Playing23minUrban Electric
• Now Playing23minSpeed + Sound
• Now Playing23minTransport Inspired
• Now Playing23minTaking Flight
• Now Playing23minJet Power
• Now Playing23minTilt And Kick
• Now Playing23minFly And Hover
• Now Playing23minTransport + Games
• Now Playing23minTransformation
• Now Playing23minElectrified
• Now Playing23minLand + Sea
• Now Playing23minFlying High
• Now Playing22minRoaming In Technology
• Now Playing22minTwo, Three, Four Wheels
• Now Playing22minSuper Car, Super Bike
• Now Playing22minLand, Sea, And Power
• Now Playing22minThe Future Of Transport
• Now Playing22minSpeed Meets Design
• Now Playing22minDrifting In Style
• Now Playing22minOff Road Power
• Now Playing22minThe Flying Car
• Now Playing22minThe Anatomy Of A Supercar

Terror!

• Now Playing44minThe Hotel: Jerusalem, 1946
• Now Playing45minThe Bar: Algiers, 1956
• Now Playing44minThe Games: Munich 1972
• Now Playing45minThe Station: Bologna, 1980
• Now Playing45minThe Ship: USS Cole, 2000
• Now Playing45minThe Island: Norway, 2011

The Convair Jetliners

• Now Playing25minThe Convair Jetliners: Part One
• Now Playing23minThe Convair Jetliners: Part Two

The Dengineers

• Now Playing29minSurvival Den
• Now Playing29minMusic Den
• Now Playing29minFootball Den
• Now Playing29minHawaii Den
• Now Playing29minDance Den
• Now Playing29minKitchen Den
• Now Playing29minArt Den
• Now Playing29minTrain Den
• Now Playing29minSpy Den
• Now Playing29minCommunity/School Den
• Now Playing29minHighlights
• Now Playing29minMagical Library Den
• Now Playing29minDJ Den
• Now Playing29minAdventure Den
• Now Playing29minEco Den
• Now Playing29minJournalism Den
• Now Playing29minPlane Den
• Now Playing29minCommunity Den
• Now Playing29minGingerbread House Den
• Now Playing29minBollywood Den
• Now Playing29minHollywood Cinema Den
• Now Playing29minHighlights
• Now Playing29minRevisits - Part I
• Now Playing29minRevisits - Part II
• Now Playing29minObservatory Den

The History Of Food

• Now Playing30minThe Invention of Cooking
• Now Playing34minThe Agricultural Revolution
• Now Playing34minFermentation, Preservation and Exploration
• Now Playing28minThe Industry of Food
• Now Playing32minThe Future of Food

The History of Home Narrated by Nick Offerman

• Now Playing1hr 3minThe Foundations of Home - Structure and Shelter
• Now Playing54minThe Hall, the Kitchen, the Dining Room, the Living Room
• Now Playing1hr 4minThe Second Story - Private Life

The History Of Home Presents

• Now Playing24minThe Rich & The Royal
• Now Playing25minHearst Castle
• Now Playing24minHampton Court Palace
• Now Playing24minMonticello

The Humboldt Current

• Now Playing52minGenesis
• Now Playing52minRenewal
• Now Playing52minArrival

The Lightbulb Moment

• Now Playing22minLike Button: The Unintended Consequences Of The Facebook Like Button
• Now Playing25minCubicle: How The Cubicle Became Universally Hated
• Now Playing23minBarcode: How The Barcode Shaped Our Modern Economy
• Now Playing25minFlorida: How Real Estate Rogues Invented Florida As We Know It
• Now Playing23minMauve: The Fake Color That Made Our Modern World
• Now Playing24minVanilla: The Bean That Shaped The Future Of Food
• Now Playing24minWi-Fi: The Hollywood Actress Who Laid The Groundwork For Wi-Fi
• Now Playing24minStreaming: The Invention That Revolutionized Streaming Video
• Now Playing23minInterstate: How The Interstate Connected And Divided America
• Now Playing28minEdison: How Edison Reinvented Invention

The Log Book Series

• Now Playing39minSteve Pisanos: The Flying Greek
• Now Playing38minKen Wallis: A Man And His Autogyro
• Now Playing28minGeorge Stanley McGovern

The Pet Rescuers

• Now Playing22minA Second Chance
• Now Playing24minOne Step At A Time
• Now Playing24minEveryday Challenges
• Now Playing24minRescue And Recovery
• Now Playing23minMilestones
• Now Playing23minThe Mono-Eyed Cat
• Now Playing23minBella And Homer
• Now Playing24minHeidi's New Home
• Now Playing25minIt's A Match
• Now Playing23minNot An Ordinary Day
• Now Playing23minGoing Ga-Ga
• Now Playing25minNew Tricks
• Now Playing22minVet Visits
• Now Playing23minDoggy Etiquette
• Now Playing25minHe Needs A Job
• Now Playing24minNew Beginnings
• Now Playing24minBusy Day
• Now Playing23minStrange Habits
• Now Playing22minA Major Challenge
• Now Playing25minUnder Pressure
• Now Playing24minNo Time To Waste
• Now Playing25minA Bright Future
• Now Playing24minOvercoming Trauma
• Now Playing24minA Bittersweet Day
• Now Playing22minMagnificent Beast

The Secret Lives Of Big Cats

• Now Playing36minThe Secret Lives Of Tigers
• Now Playing27minThe Secret Lives Of Snow Leopards
• Now Playing30minThe Secret Lives Of Pumas
• Now Playing33minThe Secret Lives Of Lions
• Now Playing37minThe Secret Lives Of Leopards
• Now Playing33minThe Secret Lives Of Jaguars
• Now Playing29minThe Secret Lives Of Cheetahs

The Secrets To Civilization

• Now Playing52minBronze Age Catastrophe
• Now Playing52minCities And Empires
• Now Playing53minEmpire And Epidemics

The Tracker's Diary: Bears Of Katmai

• Now Playing28minThe Last Frontier
• Now Playing22minFish Like a Bear
• Now Playing24minA Working Ecosystem
• Now Playing25minThe Wolf and The Storm
• Now Playing25minNeighbors, Old and New
• Now Playing22minNo Place Like Home

The Vikings

• Now Playing46minOrigin of the Vikings
• Now Playing45minEarly Viking Society and Religion
• Now Playing45minThe Ships of the Vikings
• Now Playing45minWeapons of the Vikings

The World Of Bridges

• Now Playing27minChina
• Now Playing27minWales
• Now Playing27minIndia
• Now Playing27minZimbabwe

The Year That Rocked The World

• Now Playing53min1977
• Now Playing53min1981
• Now Playing53min1989
• Now Playing53min1997
• Now Playing53min2004

Tycoons

• Now Playing53minUSA
• Now Playing53minRussia
• Now Playing53minChina

Ultimate Goal

• Now Playing46minKick Off
• Now Playing48minTake The Chance
• Now Playing47minCutback
• Now Playing47minFinal Squad
• Now Playing47minTeamship
• Now Playing49minMatch Day
• Now Playing46minGrassroots
• Now Playing47minNo Excuses
• Now Playing49minSelection Day
• Now Playing49minChange Of Pace
• Now Playing48minFinal Preparations
• Now Playing49minThe Game

Underwater Wonders Of The National Parks

• Now Playing16minDevils Hole
• Now Playing14minMontezuma Well
• Now Playing24minUSS Arizona: Part 1
• Now Playing19minUSS Arizona: Part 2
• Now Playing13minBuck Island
• Now Playing13minLake Mead
• Now Playing12minYellowstone

Underworld

• Now Playing53minGreat Britain
• Now Playing53minGibraltar
• Now Playing53minSlovenia
• Now Playing53minBelize
• Now Playing53minChina

What Went Wrong?

• Now Playing47minThe Grenfell Tower Fire
• Now Playing49minThe Challenger Shuttle Disaster
• Now Playing47minThe Concorde Air Crash
• Now Playing46minThe Disappearance Of Malaysia Airlines MH370

Wow That's Amazing

• Now Playing23minContagious Yawns
• Now Playing23minStatic Electricity
• Now Playing23minPendulums
• Now Playing23minThe Forces Of Inertia
• Now Playing23minIllusion
• Now Playing23minKinetic Energy
• Now Playing23minBuoyancy Force
• Now Playing23minTelescopes
• Now Playing23minDetecting Lies
• Now Playing23minA Vanishing Trick
• Now Playing23minSpace Suits
• Now Playing23minMovie Effects
• Now Playing23minThe Centre Of Gravity
• Now Playing23minSimultaneous Contrast
• Now Playing23minMagic Tricks
• Now Playing23minAir Pressure
• Now Playing23minFun Photography Ideas
• Now Playing23minA Hologram Projector
• Now Playing23minAfterimages
• Now Playing23minSensory Deprivation
• Now Playing23minAn Optical Illusion
• Now Playing23minA Card Trick
• Now Playing23minTransferring Sound
• Now Playing23minChemical Reactions
• Now Playing23minFacial Symmetry

Specials, Part 1

• Now Playing24min2023: A Space Odyssey
• Now Playing25minAI Tipping Point
• Now Playing20minAmerica's World War I Centennial
• Now Playing25minArea Bombing
• Now Playing1hr 16minAsteroids: The Source Of Life?
• Now Playing34minAttack Of The Zombie Fungus
• Now Playing1hr 33minBessie Coleman: Queen Of The Skies
• Now Playing30minBirth Of The Solar System
• Now Playing34minBuff In Vietnam
• Now Playing27minCanards Of War
• Now Playing26minCmdr. J. R. "Hotdog" Brown on the Air War in Vietnam
• Now Playing30minConscious Capitalism
• Now Playing19minCooking The Ultimate Steak
• Now Playing38minCornfield Shipwreck
• Now Playing36minDebugged
• Now Playing52minDestination: Pluto Beyond The Flyby
• Now Playing35minDr. Sanator: Legacy
• Now Playing22minDreaming In Overdrive: The John Staluppi Story
• Now Playing24minEarly British Jets
• Now Playing45minEclipse: Science And Awe
• Now Playing34minEngines of Change
• Now Playing23minEpic Collections: The Ed Ewing Collection
• Now Playing10minEvolution Of Exercise
• Now Playing42minFighting For Lincoln: The Wide Awakes
• Now Playing1hr 30minGoing Circular

Specials, Part 2

• Now Playing31minLt. Gen. Spence Armstrong On The Air War In Vietnam
• Now Playing18minMars: The Journey
• Now Playing46minMathemagics
• Now Playing51minMeet The Mustelids
• Now Playing46minMercedes-Benz: 125 Years
• Now Playing28minMIA: Hunt For A WWII Plane
• Now Playing21minMighty Mouse
• Now Playing51minMiniverse
• Now Playing25minNever Home Alone: The Wildlife Of Kitchens, Bathrooms, And Beyond
• Now Playing24minOperation Lusty: Hunt For The First Nazi Jet
• Now Playing19minOur Violent Sun
• Now Playing53minPeru: Sacrifices In The Kingdom Of Chimor
• Now Playing52minPompeii: Buried Secrets Of The Villa Giuliana
• Now Playing53minPrehistoric Worlds
• Now Playing1hr 4minPumped Dry: The Global Crisis of Vanishing Groundwater
• Now Playing44minPutin And The Oligarchs
• Now Playing53minPyramids Builders: New Clues
• Now Playing33minRace For The Superfortress
• Now Playing35minRainbow 5
• Now Playing21minRapidly Evolving Human With Spencer Wells
• Now Playing1hr 32minRed Elvis: The Cold War Cowboy
• Now Playing53minRescued Chimpanzees Of The Congo With Jane Goodall Special
• Now Playing51minReturn To The Moon
• Now Playing33minRunway Of Thunder: The Story Of Project Zelmal
• Now Playing53minSagrada Familia: The Gaudi Revolution

Specials, Part 3

• Now Playing29minThe Comet Bomber
• Now Playing27minThe Everlasting Hawker Hunter
• Now Playing24minThe Hunt For Dark Matter
• Now Playing25minThe Hunt For The Slave Ship Guerrero
• Now Playing27minThe Hütter Brothers
• Now Playing53minThe Last Persian Shah
• Now Playing56minThe Lucy Mission: Origins Of The Solar System
• Now Playing52minThe Mystery Of The Cosquer Cave
• Now Playing53minThe Mystery Of The Giant Birds
• Now Playing52minThe Origami Code: Scientists Uncover The Power Of Folding
• Now Playing16minThe Rise & Fall Of T-Rex
• Now Playing28minThe Rise Of Lincoln
• Now Playing50minThe True Story of Pirates
• Now Playing53minThe Untold Story Of The Vatican
• Now Playing56minTop Science Stories Of 2016
• Now Playing53minTop Science Stories Of 2017
• Now Playing1hr 20minTop Science Stories of 2018
• Now Playing1hr 8minTop Science Stories of 2019
• Now Playing1hr 4minTop Science Stories of 2020
• Now Playing1hr 8minTop Science Stories of 2021
• Now Playing1hr 3minTop Science Stories Of 2022
• Now Playing1hr 2minTop Science Stories Of 2023
• Now Playing23minUSA TODAY Investigates: Roadside Memorials and Why People Make Them
• Now Playing33minVice Admiral Jerry Miller on the Korean Conflict
• Now Playing26minVice Admiral Robert F. Dunn: Naval Aviator