Add Yahoo as a preferred source to see more of our stories on Google. Most of us know to how to scrub a toilet, but did you know the tank — i.e., the back part, where the flushing mechanism is — also ...

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Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy. If ...