Dr. Vinny's Tips for Holiday Entertaining with Wine

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Hello there! I'm Dr. Vinifera, but you can call me Vinny. Ask me your toughest wine questions, from the fine points of etiquette to the science of winemaking. And don't worry, I'm no wine snob—you can also ask me those "dumb questions" you're too embarrased to ask your wine geek friends! I hope you find my answers educational, empowering and even amusing. And don't forget to check out my most asked questions and my full archives for all my Q&A classics.

Most of us will be entertaining (or being entertained) this week, typically opening more bottles of wine than usual. I get lots of questions about how to serve wine, how long an open bottle of wine can last and what to do with leftover wine (we've even got a video answer for that one now!), so I pulled them all together in this collection of some of my most popular questions about wine and parties.

What are the right serving temperatures for red and white wines?

Can you refrigerate red wine?

Once a wine is chilled, is it OK if it warms back up?

Is Champagne ruined if it warms up again after being chilled?

What should I do if my guests bring wine that doesn't pair well with the food?

How can I get my guests to stop putting ice in their wine?

How long can I keep a wine in my refrigerator?

Do wine-preserving devices like Coravin really work?

How long will a red wine last if I use a vacuum pump to remove the air?

What happens to a half-full bottle of wine overnight?

After you open a bottle of wine, does the alcohol start evaporating?

Is it unhealthy to drink a wine that was opened the night before?

Why do bag-in-box wines have expiration dates?

Does cheaper wine give you a worse hangover?

How do you make homemade vinegar out of leftover wine?

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