Redditor YesImAtWork posted a picture of his nephew’s birthday cake, which recreates the periodic table of the elements. His nephew is six years old. How much does a six-year-old boy know about the elements? You might be surprised:[http://youtu.be/rwDDa9nltsY] (YouTube link)Yes, this child has a series of YouTube videos telling us about the elements, 32 of them so far. He understands more chemistry than most adults. And he’s got an awesome cake to share!...