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Why don't oil and water mix? - John Pollard View full lesson: http://ed.ted.com/lessons/why-don-t-oil-and-water-mix-john-pollardSalt dissolves in water; oil does not. But why? You can think of that gla...
Why does ice float in water? - George Zaidan and Charles Morton
Where does gold come from? - David Lunney
Why do animals have such different lifespans? - Joao Pedro de Magalhaes
Can you solve the airplane riddle? - Judd A. Schorr
How batteries work - Adam Jacobson
If matter falls down, does antimatter fall up? - ChloƩ Malbrunot
How many ways can you arrange a deck of cards? - Yannay Khaikin
Why do we have to wear sunscreen? - Kevin P. Boyd
How fast are you moving right now? - Tucker Hiatt
Is light a particle or a wave? - Colm Kelleher
A brief history of numerical systems - Alessandra King
Why are we so attached to our things? - Christian Jarrett
The Arctic vs. the Antarctic - Camille Seaman
How does caffeine keep us awake? - Hanan Qasim
5 tips to improve your critical thinking - Samantha Agoos
How Do Pain Relievers Work? - George Zaidan
How to spot a misleading graph - Lea Gaslowitz
Why don't perpetual motion machines ever work? - Netta Schramm
How big is a mole? (Not the animal, the other one.) - Daniel Dulek
The history of tea - Shunan Teng
Can you solve the egg drop riddle? - Yossi Elran
What are gravitational waves? - Amber L. Stuver
Biodiesel: The afterlife of oil - Natascia Radice
How do we separate the seemingly inseparable? - Iddo Magen
The Survival of the Sea Turtle
Inside your computer - Bettina Bair
The moon illusion - Andrew Vanden Heuvel
Sugar: Hiding in plain sight - Robert Lustig
9 Awesome Science Tricks Using Static Electricity!
The Infinite Hotel Paradox - Jeff Dekofsky
What makes muscles grow? - Jeffrey Siegel
Why can't you divide by zero? - TED-Ed
How to create cleaner coal - Emma Bryce
The science of static electricity - Anuradha Bhagwat
How do vitamins work? - Ginnie Trinh Nguyen