What's The Most Expensive Book In The World?

The Cold War: Crash Course US History #37
Is The Universe A Computer? | Idea Channel | PBS Digital Studios
Those Maddening Eyeball Floaters!
The Infinite Hotel Paradox - Jeff Dekofsky
Who Owns Space?
Modernism: Design in a Nutshell (4/6)
The Student Loan Crisis
Can we Predict Everything?
Redefining the dictionary - Erin McKean
How they found the World's Biggest Prime Number - Numberphile
POLITICAL THEORY - Henry David Thoreau
How did the NSA hack our emails?
Relativity Paradox - Sixty Symbols
How Much Junk Is There In Space? | Brit Lab
What Is Violence?
The Better Boarding Method Airlines Won't Use
Are Higher Taxes Better? Depends How You Spend Them. With Thomas Piketty
Why is it Dark at Night?
Top 5 Deadliest Diseases
Joni Mitchell on Illusions | Blank on Blank
How frustration can make us more creative | Tim Harford
Modern Slavery - Trafficking in Human Beings (THB)
Misconceptions about Things that Kill You - mental_floss on YouTube (Ep. 37)
Why Does Earth Have Deserts?
Why does marijuana give people the munchies? - Science on the Web #99
Are Pop Rocks Dangerous?
Why Do We Have Blind Spots?
Why Can't You Tickle Yourself?
The Science of Hair Loss/Balding
Is Cannibalism A Natural Human Behavior?
The power of believing that you can improve | Carol Dweck
Inside the Chernobyl Exclusion Zone
How to Make a Hologram
Why Vaccines Work
How far is a second?
What If We Killed All the Mosquitoes?
Where Do Galaxies Come From?
Primary Elections Explained
Rational Choice Theory - 60 Second Adventures in Economics (6/6)
How Dirty Is Your Meat? | Brit Lab
Ian Bremmer: Time’s Running Out for America
What's Happening to Honey Bees?
The Science of the Perfect Grilled Cheese Sandwich
Human Extinction
The Science of Men
How to understand power - Eric Liu
The Universal Arts of Graphic Design | Off Book | PBS Digital Studios
Do Cell Phones Cause Cancer?
Why do Americans vote on Tuesdays?
An introduction to mathematical theorems - Scott Kennedy
English Is Crazy!
Einstein's Proof of E=mc²
How to spot a fad diet - Mia Nacamulli
Paying Attention in the Digital Age
3 Strange-Looking Kinds of Clouds
Does Radiation Make Air Travel Dangerous?
Are Multivitamins Really Good For You?
How Big is the Moon? MM#1
4 Mysterious New World Monuments | What the Stuff?!
Would a Camera Have Saved Cecil the Lion?
29 Weird Museums - mental_floss on YouTube (Ep.210)
The Oldest Star in the Universe
Jupiter's Moons: Crash Course Astronomy #17
How Do Things Hide In Plain Sight?
Can Water Go Bad?
37 Facts about Fruit - mental_floss List Show Ep. 339
Top 10 Weirdest Diseases
Diagnosing a zombie: Brain and body (Part one) - Tim Verstynen & Bradley Voytek
Beer & Biodiversity
Misconceptions about Famous Companies - mental_floss on YouTube (Ep. 56)
29 Early Sports Rules - mental_floss List Show (Ep.223)
Is Nuclear Power Good Or Bad?
"Hey Bill Nye, Should We Throw Our Trash Into Space?"
How will the world end? | Sci Guide (Ep 30) | Head Squeeze
The Teenage Brain Explained
The Impossible Trinity - 60 Second Adventures in Economics (5/6)
HOW World War I Started: Crash Course World History 209
3 World-Changing Biology Experiments
The Mystery Of Asparagus Pee
How did they build the world's tallest building? I Sci Guide with Jheni Osman I Head Squeeze
The Science of Compassion: Kindness Is a Fundamental Human Trait
The Trouble with the Electoral College
How To Travel The World On The Cheap with Record-Breaking Globe-Trotter Graham Hughes
Should We Let Pandas Go Extinct?
Brief History of the Royal Family
Ants That Count! | Krulwich Wonders | NPR
Your Microbiome: The Invisible Creatures That Keep You Alive!
Robots Inspired By Animals
When Insanity Becomes Normal - Venezuela
Why the Sky is Blue explained in ten seconds
When Do Memes Stop Being Funny? | Idea Channel | PBS Digital Studios
The threat of invasive species - Jennifer Klos
Asha de Vos: Why you should care about whale poo
Is the Universe Entirely Mathematical? Feat. Max Tegmark
Why is Carbon Monoxide So Deadly? - GTKAM
32 and Truncated Icosahedron - Numberphile
Misconceptions about Sharks - mental_floss on YouTube (Ep. 30)
Fresh water scarcity: An introduction to the problem - Christiana Z. Peppard
Beatboxing 101 - BEAT NYC
Climate Change: The View From MinuteEarth | #OursToLose
Lawrence Krauss: Quantum Computing Explained
Subtracting Positive and Negative Numbers | The Matrix and Batman | PBSMathClub
How breathing works - Nirvair Kaur
Null Island: The Busiest Place That Doesn't Exist
Why Does Stepping On a Lego Hurt So Bad?
Of Mice and Men - Thug Notes Summary and Analysis
Is Exercise Good for My Brain? | Earth Lab
Typography | Off Book | PBS
The Survival of the Sea Turtle
Performance Enhancing Drugs
35 Facts about Rock Bands - mental_floss List Show Ep. 413
Equality, sports, and Title IX - Erin Buzuvis and Kristine Newhall
14 Money Saving Life Hacks - mental_floss List Show (Ep.224)
5 Sources of Body Odor That Aren't Just Sweat | What the Stuff?!
Are you are a good liar? Find out in 5 seconds
How Wolves Change Rivers
Bill Nye: The Evolutionary Benefits of Sex (Beyond the Obvious)
The Twitter Pizza Equation Explained