218: Hank & John's Airport Stories
Why shouldn't I take my temperature after I eat? Will my fingerprint grow back? How will COPPA affect Crash Course? Can my bottle of frozen water get through TSA? At what age are you supposed to use the money in your piggy bank? What are the noises that landlines make when you dial a number? Could Bill Gates cure cancer? Will stickers be our civilization's cave art? Hank Green and John Green have answers!
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