Migrations and Intensification: Crash Course Big History #7

In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of innovators, and collective learning took off! All these innovations were great for lots of human endeavors, but none fared better than agriculture.

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Видео Migrations and Intensification: Crash Course Big History #7 канала CrashCourse