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Yikes! Do They Know About Filtration?
I was chatting to a friend on the phone the other morning. She was telling me about a dialogue her daughter is writing as an English exercise. “One of the speakers is a professor and he is talking about filtration. We did that in chemistry the other day.” Filtration? I began to wonder: do any of my children know about filtration? Did we ever talk about it together? Is it…