'Tis the season for a refreshing glass of bubbly—but this episode we're not talking wine, we're talking seltzer. America is in the throes of a serious seltzer craze, with consumption of the bubbly stuff doubling in only a decade, from 2004 to 2014. But where does seltzer come from, and why is it called "seltzer," rather than simply "sparkling water"? Is there any truth to the rumors that seltzer can combat indigestion—or that it will rot our teeth? Why are all the hipsters crushing cans of LaCroix, and what's the story behind Polar's ephemeral sensation, Unicorn Kisses? (Encore presentation)
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