TED-Ed
TED-ED: Everything you need to know to read Homer's "Odyssey" - Jill Dash
An encounter with a man-eating giant. A sorceress who turns men into pigs. A long-lost king taking back his throne. On their own, any of these make great stories. But each is just one episode in the "Odyssey," a 12,000-line poem spanning...
Crash Course
Behavioral Economics: Crash Course Economics
Why do people buy the stuff they buy? In classical economics, most models assume that consumers behave rationally. As you've probably noticed in your real life, in case after case, people don't actually make rational decisions. There can...
TED-Ed
What's in the air you breathe? | Amy Hrdina and Jesse Kroll
Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...
PBS
The Multiplication Multiverse
What happens if you multiply things that aren't numbers? And what happens if that multiplication is not associative?
SciShow
What Really Happened to Phineas Gage?
In 1848, Phineas Gage survived a seemingly unsurvivable injury to his brain, but the tale of that event has become quite colorful, and inaccurate, in many cases. So, what REALLY happened to Phineas Gage?
Crash Course
The Silk Road and Ancient Trade Crash Course World History
The Silk Road and Ancient Trade: In which John Green teaches you about the so-called Silk Road, a network of trade routes where goods such as ivory, silver, iron, wine, and yes, silk were exchanged across the ancient world, from China to...
TED-Ed
Why every world map is wrong | Kayla Wolf
Fourteen Greenlands could fit in Africa— but you wouldn't guess it from most maps of the world. The fact is, every world map humans have ever made is wrong. Actually, it's impossible to make a flat map of the whole spherical world 100%...
Crash Course
Psychological Research - Crash Course Psychology
So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, naturalistic observation, surveys and interviews, and experimentation. Also he covers different kinds of bias in...
Crash Course
2,000 Years of Chinese History! The Mandate of Heaven and Confucius World History
In which John introduces you to quite a lot of Chinese history by discussing the complicated relationship between the Confucian scholars who wrote Chinese history and the emperors (and empress) who made it. Included is a brief...
SciShow
How to Get to Know Yourself in a Healthy Way
Self-reflection could link to negative feelings, but it could also be helpful if you know how to avoid those pitfalls. So let’s learn how self-reflection works and get to know yourself in a healthy way!
TED Talks
TED: Inside the Egyptian revolution | Wael Ghonim
Wael Ghonim is the Google executive who helped jumpstart Egypt's democratic revolution ... with a Facebook page memorializing a victim of the regime's violence. Speaking at TEDxCairo, he tells the inside story of the past two months,...
MinutePhysics
Open Letter to the President - Physics Education
Open Letter to the President - Physics Education
Crash Course
Major Sociological Paradigms: Crash Course Sociology
This week we introduce sociology’s three major theoretical paradigms, and some of the advantages and disadvantages of each paradigm.
TED Talks
Bill Gates: How state budgets are breaking US schools
America's school systems are funded by the 50 states. In this fiery talk, Bill Gates says that state budgets are riddled with accounting tricks that disguise the true cost of health care and pensions and weighted with worsening deficits...
TED Talks
Lucianne Walkowicz: Let's not use Mars as a backup planet
Stellar astronomer and TED Senior Fellow Lucianne Walkowicz works on NASA's Kepler mission, searching for places in the universe that could support life. So it's worth a listen when she asks us to think carefully about Mars. In this...