Did you know there are 18 different kinds of smiles? Or that 60% of the average human is water and we have 206 bones in our bodies?  These are just a few of the many intriguing questions Chris asks our contestants in this high-scoring episode of “Show What You Know.” After a parody newscast and a phone call from a mischievous robot, we round out the show with an informative interview with a folklore expert and a blue-grass song about DNA and genes.    

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