Why Beer Foam is Amazing (and Underrated)

Serving Up Science is hosted by history buff, science writer and foodie Sheril Kirshenbaum, who will give you science-backed tips to make your favorite foods even better. Farmed or Wild? Why does cheese stink? Why should meat rest? Explore these questions and more.

Collection 2 Episode 202 | 6m 44s | CC

Ever wondered how beer foam foams? Often referred to as the “head” or “collar,” beer foam is a collection of frothy bubbles carbonating the top layer of freshly poured beer. The bubbles are carbon dioxide gas, which is created as a byproduct of fermentation - the process by which we get alcohol. So grab a cold- as we join a local brewer in exploring the science of beer foam!

Serving Up Science