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Even very different kinds of books share some common characteristics, like the pattern of their function words. These are the short connector words such as pronouns and prepositions, as well as articles, conjunctions, negations and auxiliary verbs.
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On today's Moment of Science we're going to perform a little experiment in order to learn a little bit about the motor cortex--a strip of tissue running from ear to ear across the surface of the brain that is responsible for controlling voluntary movement.