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Some love it, some hate it. Sometimes it’s there, sometimes it’s not. It’s not really an ingredient, but it’s an essential part of beer. What is it? Foam. So where does it come from and what does it do? Beer foam is obviously related to CO2, but there’s much more to this story. How Foam Forms A particular…

Every time you drink your favourite beer, you are fulfilling your evolutionary destiny. Historians have long known that drinking goes back thousands of years, but recent scientific studies suggest that alcohol played a significant role in human evolution by helping humans become big-brained and more social. In primitive societies, feasting in circles around a fire, exchanging gossip,…