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Crash Course
Charles V and the Holy Roman Empire: Crash Course World History
In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Emperor, but he was also the King of Spain. And the King of Germany. And the King of Italy and the Lord of...
Crash Course
Asian Responses to Imperialism: Crash Course World History
In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism, specifically writers from countries that were colonized by European...
Crash Course
Water and Classical Civilizations: Crash Course World History 222
In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John...
Crash Course
The Rise of the West and Historical Methodology: Crash Course World History
In which John Green talks about the methods of writing history by looking at some of the ways that history has been written about the rise of the West. But first he has to tell you what the West is. And then he has to explain the Rise of...
Crash Course
Islam and Politics: Crash Course World History 216
In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that...
TED Talks
How to end factory farming | Lewis Bollard
Factory farming is the greatest moral crisis we ignore, says farm animal welfare champion Lewis Bollard. He exposes the truth behind the "all natural" labels on your groceries and shows how technology and public pressure can uncover the...
MinutePhysics
Misconceptions Footnote †: Randomness and Feedback
Footnote to the main video hereref='https://youtu.be/HUti6vGctQM' target='_blank' rel='nofollowcorrelationseedback loops anCaseurious correlations! REFERENCexcessurious
MinutePhysics
Is the Universe Entirely Mathematical feat. Max Tegmark
Is the Universe Entirely Mathematical feat. Max Tegmark
MinutePhysics
How to Count Infinity
"Some infinities are bigger than other infinities" - Hazel Grace Lancaster, in "The Fault in Our Stars," by John Green
MinutePhysics
Every Force in Nature (Theory of Everything, Part III)
In which we explain economic equilibrium, how to make money from nothing, and every fundamental force in physics.
MinutePhysics
Common Physics Misconceptions
What if you thought the earth was flat? And then you found out it isn't?
MinuteEarth
Is Bigger Better?
Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.
SciShow
7 Bizarre Uses for Animal Secretions
You're probably aware of lots of the things we take from animals, but for centuries, humans have been sneaking animal secretions into a bunch of things you probably didn't know about, like your Easter candy, your Mom's perfume, and even...
SciShow
What Happens to My Wool Sweater in the Washer?
Be careful with your wool. Unless you want a nice piece of felt with some holes in it.
PBS
Climate change parches Somalia
Desert sand is slowly taking over Somalia. Just six years after the last
major drought emergency, the rains have failed again -- a devastating t
rend
in a country where around 80 percent of people make their livi
ng on the...
major drought emergency, the rains have failed again -- a devastating t
rend
in a country where around 80 percent of people make their livi
ng on the...
MinutePhysics
Every Force in Nature (Theory of Everything, Part III)
In which we explain economic equilibrium, how to make money from nothing, and every fundamental force in physics.
MinutePhysics
Is the Universe Entirely Mathematical feat. Max Tegmark
Is the Universe Entirely Mathematical feat. Max Tegmark
SciShow Kids
Where Does Yogurt Come From?
When we think of Yogurt, we think of a tangy and sweet treat that's good at any time! But there's a tiny little ingredient in there that helps to make it what it is!
SciShow
SciShow Quiz Show: With WheezyWaiter!
Welcome back to SciShow Quiz Show, where Hank goes head-to-head with Craig Benzine, better known as WheezyWaiter.
SciShow
Why We Send Animals to Space
What happens when you send a duck, a rooster and a sheep with monkeys and dogs into space? Scientists had to find out -- and for decades, they've been studying life in space with the help of some crawly, wiggly, fluttery, furry friends.
TED Talks
Lynn Rothschild: The living tech we need to support human life on other planets
What would it take to settle Mars? In a talk about the future of space exploration, Lynn Rothschild reviews the immense challenges to living elsewhere in the universe and proposes some bold, creative solutions to making a home off planet...
MinutePhysics
Common Physics Misconceptions
What if you thought the earth was flat? And then you found out it isn't?
TED Talks
Michael Archer: How we'll resurrect the gastric brooding frog, the Tasmanian tiger
The gastric brooding frog lays its eggs just like any other frog -- then swallows them whole to incubate. That is, it did until it went extinct 30 years ago. Paleontologist Michael Archer makes a case to bring back the gastric brooding...
TED Talks
Kate Stone: DJ decks made of ... paper
"I love paper, and I love technology," says physicist and former sheep herder Kate Stone, who's spent the past decade working to unite the two. Her experiments combine regular paper with conductive inks and tiny circuit boards to offer a...