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...

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...

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...

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...

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...

Fairy tales aren’t just “once upon a time…” and “happily ever after.” They can connect us to people across the world! In our final episode of Crash Course Kids Literature, we compare and contrast different versions of “Little Red Riding...

Indigo Arts Alliance is an organization focused on supporting contemporary Black and Brown artists and opening doors to artists of color worldwide. It's doing all of this from its home in an unlikely place: Maine. Jeffrey Brown reports...

It’s not enough to do important work — we need to know it truly matters, says journalist Jennifer Wallace. Drawing on her research into firefighters, caregivers and more, she shows how simple acts of acknowledgment and connection can...

What if saving lives and growing a company went hand in hand? Public health expert Myriam Sidibe thinks many businesses are going about social impact all wrong — and leaving millions of dollars on the table at the same time. Drawing from...

Struggling communities don’t need handouts — they need bold new ways to root wealth. Meet Molly Hemstreet — a TED Fellow, Southern Appalachia native and cofounder of worker support network the Industrial Commons — who’s flipping the...

How does a city change when its art doesn’t hang on museum walls but instead roams the streets? Artist Frédette Lampre of the production company La Machine shares how their towering, handcrafted mechanical creations transform urban...

Technologist Tristan Harris has an urgent question: What if the way we’re deploying the world’s most powerful technology — artificial intelligence — isn’t inevitable, but a choice? In this eye-opening talk, he calls on us to learn from...

In business today, the need for innovation and rapid decision-making trumps yesterday's drive for efficiency. How does this influence what it means to be an effective leader? Charlene Li explains that it's less about control and more...

AI is transforming the way we work — could it also reshape what makes us human? In this quick and insightful talk, evolutionary anthropologist Sarah Blaffer Hrdy explores how the human brain was shaped by millions of years of shared...

You’re invited into a bold new vision for the climate movement — a space of trust and honesty, where artists inspire action and everyone has a role to play. Social impact leader Matthew Phillips explores how shared purpose and...

What if the race to save the planet is harming the people who protect it? Indigenous advocate Galina Angarova exposes the hidden cost of the green energy transition, where the demand for minerals like nickel and lithium threatens to...

What if ancient myths are warnings for the future? Contemporary folklorist Lauren Fadiman explores how the Norse tale of Ragnarök may stem from real climate catastrophe, revealing how folklore preserves lessons of resilience and can...

Why do we find it easier to trust some concepts and ideas over others? Mathematician and TED Fellow Adam Kucharski explores the science of uncertainty, revealing how the very human need for explanation shapes trust in science, fear of...

Comedian Shalewa Sharpe recounts the hilarious tale of how capitalism broke her ankle, what’s going on with dive bar bathrooms and why she — a quiet soul who likes to sip chamomile tea — brings a tote bag to a wild night out.

Saying “I love you” often feels more meaningful in your first language than in any other language you learn later in life, explains linguist and polyglot Magdalena Hoeller. Unpacking the hidden challenges of intercultural relationships —...

What if the polarizing mess of social media, clickbait headlines and addictive algorithms isn't a breakdown of media but a transition to something better? Substack cofounder Hamish McKenzie explores how independent creators are growing a...

After a mysterious wave of tics and twitches swept through a small-town high school in New York, documentary podcaster Dan Taberski set out to investigate what was really happening. Drawing on extensive research and intimate interviews...

As the cofounder of Advance Native Political Leadership, Anathea Chino creates space for Native American leaders to thrive in an often unwelcoming political system. Alongside comedian and filmmaker Negin Farsad, she discusses the power...

With tart humor, Hayley Yeates makes the case that investing in cultural diversity is just as important as fostering gender diversity.