Should You Cover Your Sink Before Vacation? Here’s What You Need to Know

A simple travel hack has been circulating online, suggesting that placing a sheet of paper over a sink drain and covering it with an upside-down glass can help block odors and insects while you’re away. It sounds clever—and it’s loosely based on real plumbing science—but experts say it’s not a reliable solution.

The idea connects to a key part of your continue reading …