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.

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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 ...

Pour vinegar in, run a hot cycle, then sprinkle baking soda and run another—say goodbye to funky smells and gunky residue. Give the drum baffles and rubber seals some love with a toothbrush and soapy ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Andrea Barnes Andrea Barnes is a writer covering large cleaning appliances.

If you're like most people, you probably assume that your washing machine is the cleanest appliance in the house. After all, it spends all of its active time agitating away with hot water and soap!

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 ...