What's that powdery, crystallized stuff inside your battery case? Classic battery corrosion. While it can be a frustrating and potentially dangerous matter to resolve, it isn't usually hard to clean ...

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 you’re like many people, you don’t lift the hood of your car unless you really have to. If the car is working well, that means it could be years before you get a look at what’s underneath. That ...