TED-Ed

How blood pressure works - Wilfred Manzano

The diseases that changed humanity forever - Dan Kwartler

How to increase your happiness

A brief history of banned numbers - Alessandra King

A brie(f) history of cheese - Paul Kindstedt

How do you decide where to go in a zombie apocalypse? - David Hunter

Why are scientists shooting mushrooms into space? - Shannon Odell

The science of spiciness - Rose Eveleth

How to overcome your mistakes

Are you more likely to explode or freeze in space? - Tejal Gala

The deadliest thing in your kitchen - George Zaidan

Why didn’t this 2,000 year old body decompose? - Carolyn Marshall

How much would it cost to buy the ocean? - Astrid J. Hsu

Why is Alzheimer’s disease so difficult to treat? - Krishna Sudhir

Why is rice so popular? - Carolyn Beans

What makes something 'Kafkaesque'? - Noah Tavlin

Why is Texas hold 'em so popular? - James McManus

Why are cockroaches so hard to kill? - Ameya Gondhalekar

Can you solve the jail break riddle? - Dan Finkel

The biggest mistakes in mapmaking history - Kayla Wolf

Can you steal the most powerful wand in the wizarding world? - Dan Finkel

Can you solve the trickster god riddle? - Alex Rosenthal

This one weird trick will get you infinite gold - Dan Finkel

How much of what you see is a hallucination? - Elizabeth Cox