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Collective Learning | 4.3

We can teach a dog tricks—sit, stay, fetch—but have you ever seen a dog teach another dog tricks? Using a set of uniquely human skills, such as speech, art, and writing, we can build on each other's breakthroughs.

This lesson is part of the members-only content of Middle school Big History. The first 3 lessons of every course are free — this one starts after the free preview.

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