Why Do We Kiss?

Consciousness - Crash Course Psychology #8
Why Do We Put Telescopes in Space?
Life Begins: Crash Course Big History #4
What if the Moon was a Disco Ball?
Attack of the Zombie Parasites!
How Does Hair Know When to Stop Growing?
What's The Most Successful Species on Earth?
Neil deGrasse Tyson: Bringing Commercial Space Fantasies Back to Earth
Why Do We Feel MIND-BLOWN?
The Invisible Hand - 60 Second Adventures in Economics (1/6)
The Moon Illusion
Is Masturbation Good For You?
Can You Go the Speed of Light?
How Is Your Phone Changing You?
How is Ms. Marvel Changing Media for the Better? | Idea Channel | PBS Digital Studios
Tutorial: Rocket Science! (plus special announcement)
Upside Down Mountains in Real Life
Weird Places: Socotra
Religion as social control - 60 Second Adventures in Religion (1/4)
How Folding Paper Can Get You to the Moon
28 Interesting Facts about Inventors - mental_floss List Show Ep. 329
The paradox of value - Akshita Agarwal
What If The World Went Vegetarian?
Does Reality TV Affect Our View On Surveillance? | Idea Channel | PBS Digital Studios
Would You Drink Water Made From Sewage?
Some Unfortunate Facts About Modern Living
The Beauty of Space Photography | Off Book | PBS Digital Studios
A Defense of Comic Sans
Why Don't Penguins' Feet Freeze?
Great Minds: Mary Anning, "The Greatest Fossilist in the World"
How Old is the Oldest Fairy Tale?
Bill Nye: The City of the Future
10 Greatest Scientific Breakthroughs
Should The Olympics Just Allow Doping?
John Lloyd on Knowledge
26 Facts about the Science of Friendship - mental_floss List Show Ep. 409
Is space trying to kill us? - Ron Shaneyfelt
Can You Solve This Dilemma?
Who Was Socrates? – 8-Bit Philosophy
Is There An Introvert Craze Because of Technology? | Idea Channel | PBS Digital Studios
Compassion is Natural. So Why is It So Hard For Us?
Why the octopus brain is so extraordinary - Cláudio L. Guerra
Misconceptions about Things that Kill You - mental_floss on YouTube (Ep. 37)
Georgette Mulheir: The tragedy of orphanages
Misconceptions about Crime - mental_floss on YouTube (Ep. 13)
6 Chemical Reactions That Changed History
What If You Stopped Drinking Water?
Language: Crash Course Psychology #16
Is telekinesis real? - Emma Bryce
How to turn protest into powerful change - Eric Liu
How Bats Fly | HowStuffWorks Animations
The infinite life of pi - Reynaldo Lopes
Creepy Cat Eye Glow - Science on the Web #69
How we read each other's minds | Rebecca Saxe
How To Create Responsible Social Criticism | Idea Channel | PBS Digital Studios
The Weirdness of Jupiter's Great Red Spot
Why Do I Have to Brush My Teeth?
Is There Such a Thing As An Addictive Personality?
Can You Really Be Scared to Death?
What makes tattoos permanent? - Claudia Aguirre
History vs. Genghis Khan - Alex Gendler
Why Are Eggs ... Egg-Shaped?
Mysteries of vernacular: Yankee - Jessica Oreck and Rachael Teel
Clay Shirky: How cellphones, Twitter, Facebook can make history
Your Brain is Plastic
The Future of Flying Robots | Vijay Kumar | TED Talks
Colored Noise, and How It Can Help You Focus
Can You Actually Enjoy Breaking Bad? | Idea Channel | PBS Digital Studios
Newton's 3 Laws, with a bicycle - Joshua Manley
Is Reality TV The Future of Space Travel? | Idea Channel | PBS Digital Studios
Do You Need Your Appendix? | Don't Be Dumb
30 Facts about Bob Ross - mental_floss List Show Ep. 412
Moon Phases: Crash Course Astronomy #4
Deb Roy: The birth of a word
What is Sea Level?
If matter falls down, does antimatter fall up? - Chloé Malbrunot
5 Amazing Facts About Babies
Are Cell Phones Replacing Reality? | Idea Channel | PBS Digital Studios
Types of Bureaucracies: Crash Course Government and Politics #16
The Rubber Band: Where did it come from? | Stuff of Genius
Should we eat bugs? - Emma Bryce
Why Do Joints Pop And Crack?
Do We Need Government? (The Social Contract) – 8-Bit Philosophy
The Agricultural Revolution: Crash Course World History #1
83 Old Slang Phrases We Should Bring Back - mental_floss on YouTube (Ep.208)
3 Physics Experiments that Changed the World
Alejandro Aravena: My architectural philosophy? Bring the community into the process
How to Train a Brain - Crash Course Psychology #11
The Disappearing Monarch and the Oldest Mammal on Earth
10 Clever Kitchen HACKS To Try Right Now
The Nearsightedness Epidemic
The contributions of female explorers - Courtney Stephens
Are Blue Eyes Endangered?
23 Weird Celebrity Businesses - mental_floss on YouTube - List Show (311)
Communists, Nationalists, and China's Revolutions: Crash Course World History #37
The Science of Procrastination - And How To Manage It
Life Inside a Dead Whale
Why we love repetition in music - Elizabeth Hellmuth Margulis
Glenn Seaborg: Shaking Up the Periodic Table
The power of the placebo effect - Emma Bryce
Space News From The Future!
Micromorts: Your Guide to Living Longer - Summer Bummer Series pt. 2 - mental_floss on YT (Ep.14)
Large Hadron Collider - 60 Second Adventures in Astronomy (11/14)
Misconceptions about Memory - mental_floss on YouTube (Ep. 54)
How Do Marine Mammals Hold Their Breath For So Long?
What is the universe made of? - Dennis Wildfogel
Why Are Vegetarians Annoying? (An Exploration of a Cultural Rift)
Why Does Alcohol Burn When You Drink It?
Why Do Boomerangs Come Back? | Earth Lab
Why do buildings fall in earthquakes? - Vicki V. May
38 Bizarre Items Dropped on New Year's Eve - mental_floss on YouTube (Ep. 40)
How a Black Hole Would Kill You
What are the universal human rights? - Benedetta Berti
Lay vs. Lie - Merriam-Webster Ask the Editor
Street Art | Off Book | PBS
The Speed of Life
How to practice emotional first aid | Guy Winch
Migraines: Not Just Another Headache
Why 82,000 is an extraordinary number - Numberphile