Double-dipping can get you into trouble at the dinner table, but it’s a savvy credit card rewards strategy. When you double-dip with your credit card, you’ll maximize the rewards earned on every ...

Double-dipping is socially appalling, but is it microbiologically menacing? A group of researchers set out to find the truth behind this communal culinary crime, putting our snack table sins under the ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.

We’ve all done it: we dip the chip, we take a bite, and we dip again— just like George Constanza in the beloved Seinfeld TV series. But is it an ick factor, or a risk factor? The science has spoken. A ...