Crash Course
Eastern Europe Consolidates: Crash Course European History
While the focus has been on Western Europe so far, there has also been a lot going on in Eastern Europe, which we'll be looking at today. The Commonwealth of Poland-Lithuania, The Ottoman Empire, and Russia were all competing at the...
SciShow
Earth Has a New, Orbiting Disco Ball!
Earth has some new orbiters, and while one of them is vexing many scientists, another will help us learn more about our atmosphere.
SciShow
When People Get Different Accents
What if one day you woke up and were suddenly speaking with a completely new accent from somewhere you’ve never lived? It sounds like a movie plot, but this rare condition is known as foreign accent syndrome.
SciShow
Can We Predict Earthquakes?
Hank talks about why it is so difficult for scientists to predict earthquakes in the short term.
TED Talks
TED: The affordable, 3D-printed bionics of the future | Enzo Romero
Creating functional prosthetics at a fraction of the cost of imported tech, bionic innovator and TED Fellow Enzo Romero shares a groundbreaking model for designing 3D-printed assistive technology sourced from recycled materials -- built...
SciShow
3 Ways to Explore the “Ignorosphere"
One of the hardest places to explore in space is actually pretty close, some call it the ignorosphere.
SciShow
How We Discovered the Milky Way's Black Hole
The search began with a physicist checking for sources of static on phone calls in the 1930s, but it took several decades to finally make one of the biggest discoveries in astronomy, Sagittarius A*.
SciShow
If You’re Reading This, You’ve Reshaped Your Brain
With hard work and perseverance, we can change the way we process the world, and if you’ve learned how to read, you’ve successfully re-trained an entire area of your brain!
Crash Course
Language: Crash Course Psychology
You know what's amazing? That we can talk to people, they can make meaning out of it, and then talk back to us. In this episode of Crash Course Psychology, Hank talks to us and tries to make meaning out of how our brains do this thing...
TED-Ed
TED-ED: How heavy is air? - Dan Quinn
Too often we think of air as empty space - but compared to a vacuum, air is actually pretty heavy. So, just how heavy is it? And if it's so heavy, why doesn't it crush us? Dan Quinn describes the fundamentals of air pressure and explains...
SciShow
What Do Mirror Neurons Really Do?
Mirror neurons are a very cool part of our brains but some people are taking it way further by making claims that they are responsible for telepathy and ESP. It goes without saying that this isn’t true, but what exactly do mirror neurons...
SciShow
To Heal the Brain, Sometimes We Need to Damage It
Brain damage is usually a bad thing, but sometimes the best option is actually to damage the brain in very specific ways.
SciShow
There's a Giant Hole in the Universe
There's basically a hole in the universe -- a region where there's much less matter than there should be. And we don't know why it's there.
TED-Ed
TED-Ed: Ugly History: The Spanish Inquisition | Kayla Wolf
In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish kingdoms. The inquisition quickly turned its attention to ridding the region of people who were not part...
SciShow
The Bigger Stem Cells Are, the Harder They Fall
When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...
3Blue1Brown
The determinant | Essence of linear algebra, chapter 6
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
TED-Ed
TED-Ed: How puberty changes your brain | Shannon Odell
While we often talk about puberty's effect on the body, what gets overlooked are the fascinating changes that happen in the brain. Puberty, in fact, begins in the brain, and lasts as long as five years. And during this extended process,...
SciShow
How Green Energy Could Bring More Rain to Africa
Africa’s Sahara desert is a prime location, some say, to build arrays of solar panels and wind turbines. But scientists are aware that building these structures can potentially have large-scale effects on the surrounding environment that...
Crash Course
Tyranny of the Map: Crash Course Geography
Today we’re going to talk about borders. Borders can bring people together, evoke passion and war, divide, conquer, and solidify power. We’re going to focus on the tyranny of the map which is what happens when those in power draw...
TED-Ed
TED-ED: A brief history of alcohol - Rod Phillips
Nobody knows exactly when humans began to create fermented beverages. The earliest known evidence comes from 7,000 BCE in China, where residue in clay pots has revealed that people were making an alcoholic beverage from fermented rice,...
Crash Course
How Can Rain Create Conflict? Precipitation and Water Use: Crash Course Geography
If you compare precipitation around the world with population distribution we can understand a simple but powerful pattern of human geography: where there is water, there are people. But it gets a little more complicated because where...
TED-Ed
TED-Ed: The hidden treasures of Timbuktu | Elizabeth Cox
On the edge of the vast Sahara desert, citizens snuck out of the city of Timbuktu and took to the wilderness. They buried chests in the desert sand, hid them in caves, and sealed them in secret rooms. Inside these chests was a treasure...
TED-Ed
Building the world's largest (and most controversial) power plant | Alex Gendler
In 2018, a single power plant produced more energy than the world's largest coal-powered and gas-powered plants combined. China's Three Gorges Dam relies on running water, and is capable of producing more energy than any other power...
MinuteEarth
Which Came First - The Rain or the Rainforest?
Which Came First - The Rain or the Rainforest