As you look toward the weekend, or even later this evening, is a good “cold one” on your mind? Beer is one of humankind’s oldest and most beloved beverages, but it’s changed a lot over time.

It began as a light, sweet drink and has evolved to the heavier, more bitter brew we enjoy today. Eight Forty-Eight Food Critic David Hammond has this history lesson.

Food Critic David Hammond is a contributor to Chicago Reader and Time Out Chicago, and he moderates LTHForum.com, the Chicago-based culinary chat site.