Crash Course
Growth, Cities, and Immigration Crash Course US History
In which John Green teaches you about the massive immigration to the United States during the late 19th and early 20th century. Immigrants flocked to the US from all over the world in this time period. Millions of Europeans moved to the...
TED Talks
TED: How to build a resilient future using ancient wisdom | Julia Watson
In her global exploration of Indigenous design systems, architect Julia Watson researches enduring innovations that could help us counter the challenges of climate change. From floating villages to living root bridges that strengthen...
TED Talks
TED: It’s our city. Let’s fix it | Alessandra Orofino
Too often, people feel checked out of politics — even at the level of their own city. But urban activist Alessandra Orofino thinks that can change, using a mix of tech and old-fashioned human connection. Sharing examples from her...
Crash Course
Geographies of the Future: Crash Course Geography
In our final episode of Crash Course Geography we're going to take a look towards the future, and to do that we'll need to revisit our fundamental geography tools: space, place, and human-environment interactions! We'll talk about the...
TED Talks
David Macaulay: An illustrated journey through Rome
David Macaulay relives the winding and sometimes surreal journey toward the completion of Rome Antics, his illustrated homage to the historic city.
TED-Ed
TED-Ed: The hidden network that makes the internet possible - Sajan Saini
View full lesson: https://ed.ted.com/lessons/the-hidden-network-that-makes-the-internet-possible-sajan-saini↵↵In 2012, a team of researchers set a world record, transmitting 1 petabit of data— that’s 10,000 hours of high-def video— over...
Crash Course
Climate Science: Crash Course History of Science
Scientists tend to be careful and resistant to big claims. So evidence for the possible end of the living world took a while to be seen as such. In this episode of Crash Course History of Science, Hank talks to us about where Climate...
Crash Course
The Great Migration: Crash Course Black American History
In 1910, 90% of Black Americans lived in the South. By 1940, around 1.5 million Black Americans had left their homes, and 77% lived in the South. By 1970, 52% of Black Americans remained in the South. People moved away for many reasons,...
TED Talks
Janine Benyus: Biomimicry in action
Janine Benyus has a message for inventors: When solving a design problem, look to nature first. There you'll find inspired designs for making things waterproof, aerodynamic, solar-powered and more. Here she reveals dozens of new products...
TED-Ed
TED-Ed: The surprisingly long history of electric cars | Daniel Sperling and Gil Tal
By the end of the 19th century, nearly 40% of American cars were electric. But these vehicles had a few major problems — early car batteries were expensive and inefficient, and the vehicles were twice the price of a gas-powered car. And...
TED-Ed
TED-Ed: How farming planted seeds for the Internet - Patricia Russac
What does farming have to do with invention and innovation? Permanent residences, division of labor, central government, and complex technologies--all essential for advancing civilizations--could not have been developed without the move...
Crash Course
Mansa Musa and Islam in Africa Crash Course World History
In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive...
TED Talks
TED: A tailored history of who wears what -- and why | Richard Thompson Ford
From puffy trousers to pantsuits and everything in between, law professor and author Richard Thompson Ford takes us on a fascinating tour through the history of fashion and the evolution of dress codes that still influence style today,...
TED Talks
TED: How a video game might help us build better cities | Karoliina Korppoo
With more than half of the world population living in cities, one thing is undeniable: we are an urban species. Part game, part urban planning sketching tool, "Cities: Skylines" encourages people to use their creativity and...
TED Talks
Majora Carter: 3 stories of local eco-entrepreneurship
The future of green is local. Majora Carter tells three inspiring stories of people who are saving their own communities while saving the planet.
TED Talks
TED: How cities are detoxing transportation | Monica Araya
People around the world are demanding clean air -- and cities are starting to respond, says electrification advocate Monica Araya. She takes us on a world tour of urban areas that are working to fully electrify their transportation...
TED Talks
TED: How to protect fast-growing cities from failing | Robert Muggah
Worldwide, violence is on the decline, but in the crowded cities of the global south — cities like Aleppo, Bamako and Caracas — violence is actually accelerating, fueled by the drug trade, mass unemployment and civil unrest. Security...
TED Talks
Eli Pariser: What obligation do social media platforms have to the greater good?
Social media has become our new home. Can we build it better? Taking design cues from urban planners and social scientists, technologist Eli Pariser shows how the problems we're encountering on digital platforms aren't all that new --...
TED Talks
TED: Cities are driving climate change. Here's how they can fix it | Angel Hsu
Cities pump out 70 percent of all global carbon emissions -- which means they also have the greatest opportunity to lower CO2 levels and energy consumption. Climate and data scientist Angel Hsu shares how cities around the world are...
TED-Ed
TED-Ed: The rise and fall of history's first empire | Soraya Field Fiorio
History's first empire rose out of a hot, dry landscape, without rainfall to nourish crops, without trees or stones for building. In spite of all this, its inhabitants built the world's first cities, with monumental architecture and...
TED Talks
William McDonough: Cradle to cradle design
Green-minded architect and designer William McDonough asks what our buildings and products would look like if designers took into account "all children, all species, for all time."
TED Talks
TED: How to grow a forest in your backyard | Shubhendu Sharma
Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of...
TED-Ed
TED-Ed: A brief history of graffiti - Kelly Wall
Spray-painted subway cars, tagged bridges, mural-covered walls -- graffiti pops up boldly throughout our cities. And it turns out: it's nothing new. Graffiti has been around for thousands of years. And across that span of time, it's...
Curated Video
Indus Valley Civilization: Crash Course World History
In which John Green teaches you about the Indus Valley Civilization, one of the largest of the ancient civilizations. John teaches you the who, how, when, where and why of the Indus Valley Civilization, and dispenses advice on how to be...