Add Yahoo as a preferred source to see more of our stories on Google. Damian Lugowski / Getty Images Even if you have your laundry routine down to a science, you might not even know that your washing ...

Here's where to find it.

Even if you have your laundry routine down to a science, you might not even know that your washing machine has a lint trap—much less that it requires regular cleaning. But, much like your dryer's lint ...

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.