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Crash Course Composition Notebooks - 3 Pack
$10.00
This set of 3 composition notebooks is a great way for you to continue your journey towards being a lifelong learner, as well as a great way to support Crash Course! 100 pages each, college ruled, featuring interior artwork, diagrams, and facts only Crash Course can provide!
2025 Complexly Calendar
$5.00
This year’s calendar celebrates a quarter century of progress, and it is a collaboration between all of your favorite Complexly YouTube channels! Available now!
Crash Course - Lifelong Learner Tee
$32.00
I found myself surrounded by people who celebrated intellectualism and engagement, and who thought that my ironic oh-so-cool disengagement wasn’t clever, or funny. It was a simple and unspectacular response to very complicated and compelling problems. And so I started to learn, because learning was cool. - John Green
Crash Course Pods: Universe - Polo Hat
Limited stock
Dr. Katie Mack, a theoretical astrophysicist, walks #1 New York Times bestselling author John Green through the history of the entire universe - including the parts that haven’t been written yet. Watching the video for this podcast, you may notice a couple of glowing stars that represent each of our hosts. We loved how those stars represented our show so much, we embroidered them on an everyday dad-hat. Now you can contemplate the very nature of existence, take comfort in our relatively insignificant place in our universe, and look sharp-as-heck in the process. DETAILS Low profile "dad-hat" 100% cotton Black with white embroidery One size fits most.
Crash Course Animal Cell Poster
$20.00
The cell is the basic unit of life--and it's one busy place! This poster takes you on a tour of an animal cell, from its protein-studded cell membrane to its hard-working ribosomes. It includes facts about some of the most incredible animals around and key scientific leaps that have advanced our knowledge of cells. DETAILS 18"x24" Portrait Print 100lb Semi Gloss paper Artwork by Thought Cafe for Crash Course
Crash Course Plant Cell Poster
$20.00
Journey into the gravity-defying, sunlight-harvesting world of a plant cell. This poster takes you on a tour of what's beneath the cell wall, teaches you amazing plant facts, and introduces you to key leaps in our understanding of the basic unit of life. DETAILS 18"x24" Portrait Print 100lb Semi Gloss paper Artwork by Thought Cafe for Crash Course
Mansa Musa and Islam in Africa: Crash Course World History #16
58KLikes
5,378,482Views
2012May 10
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 architecture, and several empires. John not only covers the West African Malian Empire, which is the one Mansa Musa ruled, but he also discusses the Ghanian Empire and even gets over to East Africa as well to discuss the trade-based city-states of Mogadishu, Mombasa, and Zanzibar. In addition to all this, John considers emigrating to Canada. Chapters: Introduction: African History 00:00 King Mansa Musa of Mali 1:22 Mali, the Berbers, and the Islamization of West Africa 3:23 An Open Letter to Ibn Battula 5:29 The End of the Malian Empire 6:17 The Swahili Civilizations of Eastern Africa 6:55 Credits 9:56 Crash Course is on Patreon! You can support us directly by signing up at   / crashcourse   Want to find Crash Course elsewhere on the internet? Facebook -   / youtubecrashcourse   Twitter -   / thecrashcourse   Instagram -   / thecrashcourse   CC Kids:    / crashcoursekids  

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