My slightly more polished videos, including the first intro video (a new one will be up later!) and the start of my series on mathematical cognition.
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Featured Videos • LearningNerd
November 11, 2012 » Number Sense in Animals
March 14, 2012 » When Do Children Develop Number Sense?
March 02, 2012 » Math in the Brain: Number Sense
February 22, 2012 » Series Introduction: The Fundamental Concepts of Arithmetic
February 14, 2012 » So I'm Gonna Learn Everything