Crash Course Kids
Glow On
So, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story? In this episode of Crash Course Kids, Sabrina chats about how stars glow and how...
Crash Course
Race, Ethnicity, and the Cultural Landscape: Crash Course Geography
Sometimes culture can seem invisible like when we're surrounded by signals that tell us we're with others who are like us, but if we live or travel somewhere where the traits that define social norms are not our traits, culture can...
Crash Course
Electrical Power, Conductors, & Your Dream Home: Crash Course Engineering #21
Today, we'll explore the materials electrical engineers work with. We'll look at high-conductors, insulators, and how low-conductivity conductors can be used to generate light and heat.
SciShow
Solar Energy
Hank explains the power of solar energy and describes how it may fit into our diversified energy future.
Crash Course
The Roads to World War I: Crash Course European History
Much has been written about what exactly caused World War I. As befits a true global war, the reality is that there isn't a single cause. There aren't even three causes. There are a vast array of causes. Today we'll get into just a few...
TED-Ed
TED-Ed: How the Suez Canal changed the world | Lucia Carminati
Today, nearly 30% of all global ship traffic passes through the Suez Canal, totaling over 20,000 ships in 2021. The site of the canal had been of interest to rulers as far back as the second millennium BCE, but plans to construct a...
TED Talks
TED: Education is a fundamental right for every child | Makhtoum Abdalla
For children growing up in refugee camps, education is a powerful tool of liberation. In this inspiring talk, Makhtoum Abdalla, displaced as a child in Sudan and now living with his family in the Otash camp in Darfur, shares his biggest...
Crash Course
The Power of Motivation: Crash Course Psychology
Feeling motivated? Even if you are, do you know why? The story of Aaron Ralston can tell us a lot about motivation. In this episode of Crash Course Psychology, Hank tells us Ralston's story, as well as 4 theories of motivation and some...
Crash Course
Playing with Power P-Values Pt 3 - Crash Course Statistics
We're going to finish up our discussion of p-values by taking a closer look at how they can get it wrong, and what we can do to minimize those errors. We'll discuss Type 1 (when we think we've detected an effect, but there actually isn't...
Crash Course
Politics: Crash Course Sociology
While politics is generally seen as the domain of a civics class (and Craig did a great job of teaching US Government & Politics elsewhere on this channel!) it’s something that sociology is interested in too. Today we’re looking at the...
Crash Course
Social Influence: Crash Course Psychology
Why do people sometimes do bad things just because someone else told them to? And what does the term Groupthink mean? In today's episode of Crash Course Psychology, Hank talks about the ideas of Social Influence and how it can affect our...
TED-Ed
TED-Ed: Iseult Gillespie: Why is this painting so shocking?
In 1937, in one of the worst civilian casualties of the Spanish Civil War, Fascist forces bombed the village of Guernica in Northern Spain. For Pablo Picasso, the tragedy sparked a frenzied period of work in which he produced a massive...
TED-Ed
TED-ED: Climate change: Earth's giant game of Tetris - Joss Fong
There's a game of Tetris happening on a global scale: The playing space is planet Earth, and all those pesky, stacking blocks represent carbon dioxide -- a greenhouse gas that is piling up ever more rapidly as we burn the fossil fuels...
Crash Course
How Power Gets to Your Home: Crash Course Physics
In this episode of Crash Course Physics, Shini talks to us about how power gets to our homes. It's kind of amazing when you think about it and much more complicated than it may seem!
Crash Course
The Many Forms of Power: Crash Course Business - Soft Skills
In our second to last episode of Soft Skills, Evelyn talks to us about Power and how it's not always bad, not always good, and useful to understand. Enjoy!
TED-Ed
TED-Ed: Why wasn't the Bill of Rights originally in the US Constitution? - James Coll
When you think of the US Constitution, what's the first thing that comes to mind? Free speech? The right to bear arms? These passages are cited so often that it's hard to imagine the document without them. But the list of freedoms known...
TED Talks
TED: The carbonless fuel that could change how we ship goods | Maria Gallucci
Every day, tens of thousands of cargo ships, filled to the brim with goods, release heavy pollution into the air as they make their way across the ocean. In this eye-opening talk, reporter Maria Gallucci introduces a planet-friendly...
TED Talks
TED: The legacy of matriarchs in the Yukon First Nations | Kluane Adamek
In the Yukon First Nations, women lead; generations of matriarchs have guided and directed the community by forging trade agreements, creating marriage alliances and ensuring business for all. Yukon Regional Chief Kluane Adamek urges...
Crash Course
Communists, Nationalists, and China's Revolutions Crash Course World History
In which John Green teaches you about China's Revolutions. While the rest of the world was off having a couple of World Wars, China was busily uprooting the dynastic system that had ruled there for millennia. Most revolutions have some...
Be Smart
Can We Get Older Without Aging?
Nothing is guaranteed in life except death, taxes, and entropy. What do other life forms have to teach us about staying alive as we get old, and will we ever conquer death?
Crash Course
Integrals: Crash Course Physics
Continuing with last week's introduction of calculus, Shini leads us through the ways that integrals can help us figure out things like distance when we have several other key bits of information. Say, for instance, you wanted to know...
TED-Ed
TED-Ed: How did Hitler rise to power? - Alex Gendler and Anthony Hazard
Decades after the fall of the Third Reich, it feels impossible to understand how Adolf Hitler, the tyrant who orchestrated one of the largest genocides in human history, could ever have risen to power in a democratic country. So how did...
TED-Ed
TED-Ed: 3 tips to boost your confidence
When faced with a big challenge where potential failure seems to lurk at every corner, you’ve probably heard the advice, “Be more confident!” But where does confidence come from, and how can you get more of it? Here are three easy tips...
TED-Ed
TED-ED: A clever way to estimate enormous numbers - Michael Mitchell
Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: _How many piano tuners are there in Chicago?" Physicist Enrico Fermi was very good at problems like these -- learn how he used the...