Babies are the model of how we learn--not by passive raction to the environment but by active testing trhrogh observation, hypothesis, experiment, and conclusion.
Specific parts of the brain allow this scientific approach. The right prefrontal cortex looks for errors in our hypothesis ("The saber-toothed tiger is not harmless"), and an adjoining region tells us to change behavior ("Run!").
We can recognize and imitate behavior because of "mirror neurons" scattered across the brain.
Some parts of our adult brains stay as malleable as a baby's, so we can create neurons and learn new things throughout our lives.
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