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Give me a Pu, give me an N, give me an S. Put together the element abbreviations of Plutonium, Nitrogen, and Sulfur and what do you get? PUNS! We all love clever and witty science puns! Do you know of any that you tell your little ones periodically to make them laugh? I'm sure they are funny... or corny;- nonetheless, it is nice when you can put a smile on your little one's face!
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