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 ...

Add Yahoo as a preferred source to see more of our stories on Google. One minute you’re parked under an innocent-looking tree. The next? Your car is covered in drops of sap that won’t seem to come off ...

(iSeeCars) – Tree sap can be a stubborn and sticky substance on your car’s exterior. If left untreated, it can harden, attract dirt, and even damage your car’s paint over time. This can lead to sap ...

We cut back our pine trees and sap dripped everywhere. It is now dry and staining the deck. Any suggestions? A: Sap from trees — pines or others — is a real problem on decks, especially after it dries ...

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.