Crash Course
Water and Classical Civilizations: Crash Course World History 222
Humans cannot survive without water, and neither can civilizations. A brief history of ancient civilizations and their dependence on—and management of—water demonstrates how states either flourish or flail based on the availability of...
Crash Course
Crash Course History of Science #5: The Americas and Time Keeping
How did ancient civilizations in America develop their culture and knowledge base without any contact with the peoples of Africa, Asia, or Europe? This is a story about the planet Venus, breathtaking pyramids, and intricate calendars....