Add Yahoo as a preferred source to see more of our stories on Google. “I know you know what your dryer filter is, but do you know where your washing machine filter is?” Costello questions viewers. “If ...

Here's where to find it.

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. So where does all the dog hair, lint, fuzz, and debris go when you wash your clothes? Bits of grass, coins, and anything else that ...