Over time, as iron, steel, and other ferrous metals are exposed to oxygen and moisture they can undergo oxidation, a chemical reaction that eats away at the metal and rust your tools. Left long enough ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. Even the most fastidious among us sometimes neglect our home and garden tools. Whether it's the hastily set down trowel that lies ...