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Nitro Cold Brew: The Science Behind Coffee’s Biggest Trend

From: wbur.org

Nitro cold brew is bubbling up in coffee shops almost everywhere. The nitrogen-infused beverage became one of the hottest new offerings for coffee lovers looking for something different.

The cold brew — made by steeping coffee grinds in cold water for multiple hours — is dispensed from a stout tap, similar to what you’d find at your local bar.

The nitrogen bubbles give the cold brew a silky smooth texture and enhance its flavor — something coffee can lose when brewed the regular way, according to Matt Hartings, a chemistry professor at American University.

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