A key aspect of humans’ evolutionary success is the fact that we don’t have to learn how to do things from scratch. Our societies have developed various ways—from formal education to YouTube videos—to convey what others have learned. This makes learning how to do things far easier than learning by doing, and it gives us more space to experiment; we can learn to build new things or handle tasks more efficiently, then pass information on how to do so on to others.
Some of our closer relatives, like chimps and bonobos, learn from their fellow species-members. They don’t seem
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