Why Do We Have Two Nostrils?

Misconceptions about Memory - mental_floss on YouTube (Ep. 54)
Terrorism, War, and Bush 43: Crash Course US History #46
How big is infinity? - Dennis Wildfogel
What If You Stopped Eating?
The paradox of value - Akshita Agarwal
Animal Farm - Thug Notes Summary and Analysis
The Fish With Human Teeth
Nature's Most Amazing Animal Superpowers
How Does Laser Eye Surgery Work? | Brit Lab
Personality Disorders: Crash Course Psychology #34
Julian Treasure: The 4 ways sound affects us
The first 21 days of a bee’s life | Anand Varma
31 Strange Medical Conditions - Summer Bummer Series pt. 1 - mental_floss on YouTube (Ep.13)
What are the universal human rights? - Benedetta Berti
Greeting the world in peace - Jackie Jenkins
Why The Rich Pay Lower Taxes
39 Facts About Comedy - mental_floss on YouTube (Ep.209)
A History of Earth's Climate
Canada & The United States (Bizarre Borders Part 2)
Here’s What Dishonesty is Really About
There is No American Cuisine, But There Could Be
Feedback loops: How nature gets its rhythms - Anje-Margriet Neutel
Bill Nye: The City of the Future
For more tolerance, we need more ... tourism? | Aziz Abu Sarah
Slavoj Žižek: We Need Thinking
Will Life Get Better for the Poor?
Stay in - or Leave - a Relationship?
The Alternative Vote Explained
The New Rules of Robot/Human Society | Off Book | PBS Digital Studios
The Law You Won't Be Told
The Psychology of Trolling
Why Does Your Voice Get Higher When You Inhale Helium? - Big Questions (Ep. 11)
Will We Ever Run Out of New Music?
What is Skin For?
What are The Northern Lights? | Sci Guide (Ep 37) w/ Jheni Osman | Head Squeeze
31 Things You Didn't Know about Holiday Songs - mental_floss - List Show (Ep. 239)
The math behind Michael Jordan’s legendary hang time - Andy Peterson and Zack Patterson
26 Bizarre College Classes - mental_floss on YouTube (Ep. 34)
Asteroids to Watch Out For
Climate Change | David Mitchell's SoapBox UPDATE
3 Tips to Overcome Stress & Anxiety!
Jaron Lanier: Why Facebook Isn't Free
Inventing the American presidency - Kenneth C. Davis
How trees talk to each other | Suzanne Simard
Methane Explosion (SLOW MOTION) - Periodic Table of Videos
How to Avoid Surveillance...With Your Phone | Christopher Soghoian | TED Talks
The New Superbug!
The Fermi Paradox II — Solutions and Ideas – Where Are All The Aliens?
Darwin's Darlings: Meat-Eating Plants
Alzheimer's and the Brain
Does Hot Water Freeze Faster Than Cold Water?
Do My Feet Smell Like Doritos?
Is Developing Artificial Intelligence (AI) Ethical? | Idea Channel | PBS Digital Studios
Do We Want the World to End? | Idea Channel | PBS Digital Studios
How social media can make history - Clay Shirky
What causes motion sickness? - Big Questions - (Ep. 210)
30 Unusual Wills - mental_floss on YouTube (Ep.226)
How Does Radiation Sickness Work?
What is Salvia?
Leaf Color Chromatography - Bite Sci-zed
How to Do ALL THE THINGS (ft. Hank Green)!
Spiders Tune Their Webs Like A Guitar | SKUNK BEAR
Ebola Explained
Misconceptions about Famous Composers- mental_floss on YouTube (Ep. 48)
Three Minute Philosophy: Galileo
How Did Earth Get Its Water?
The Science of Goosebumps and Music Chills
Why Do We Have Blind Spots?
Why Are We Ticklish? Why do We Laugh?
Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206
6 Common Sayings You’re (Probably) Saying Wrong | What the Stuff?!
Where Was The Big Bang?
5 Killer Samurai Weapons | What the Stuff?!
Can You be Addicted to Sugar?
Eukaryopolis - The City of Animal Cells: Crash Course Biology #4
What Causes Brain Freeze?
Do You Want to Believe? | Idea Channel | PBS Digital Studios
How and Why We Read: Crash Course English Literature #1
What Islam really says about women | Alaa Murabit
Larry Flynt and His Porn Empire
Why Do Joints Pop And Crack?
Base 12 - Numberphile
5 Weird Involuntary Behaviors Explained!
What Your Nose Can Tell You - Epic Science #112
The Twitter Pizza Equation Explained
How Many Mass Extinctions Have There Been?
Brief History of the Royal Family
How to Upload Your Mind
Light Painting | Off Book | PBS
Not the Confederate Flag
How to Cope With Bureaucracy
Why do you see better when you squint? - Big Questions - (Ep. 33)
Why Are Things Cute?
History vs. Andrew Jackson - James Fester
What will future jobs look like? | Andrew McAfee
Good Sleep = Good Gut?
What Are Universities For?
Why does the Moon turn red during a lunar eclipse?
Stuff They Don't Want You to Know - Trapwire
10 Greatest Scientific Breakthroughs
What Is The Speed of Dark?
8 Incredible Record-Breaking Bridges
Vihart's Song - "No Real Solution"
Why the insect brain is so incredible - Anna Stöckl
Why do babies' eyes change color? - Big Questions - (Ep. 211)
The Strange Scourge of Light Pollution
The treadmill's dark and twisted past - Conor Heffernan
Those Maddening Eyeball Floaters!
How to ask for a favour
The Amazing Life and Strange Death of Captain Cook: Crash Course World History #27
The Last Star in the Universe – Red Dwarfs Explained
10 Amazing Optical Illusions (and how to make them)
13 Inventions and Innovations Creating a Better Future for Women - List Show (Ep. 238)
The Spanish Empire, Silver, & Runaway Inflation: Crash Course World History #25
Intro to Barbell Training With Mark Rippetoe | Art of Manliness
Dimensions - Sixty Symbols
Why Do These Liquids Look Alive?
The Science of Figure Skating
How Does the California Methane Leak Make People Sick?
How to Replace the 10 Commandments