Learn about fermentation, fish, climate change at Maine Science Festival Pop-Ups 

Three Maine Science Festival Pop-Up Events are planned for January, ahead of the full festival March 18–22.

Science on Tap Hits the Road: Fermentation Edition, 7 p.m. Thursday, Jan. 23, Orchard Girls Cidery, 375 Main St., Kingfield. Jennifer Perry, University of Maine assistant professor of food microbiology, will give an overview of fermentation, and Orchard Girls Cidery will cover cider-specific topics. In partnership with WiSTEMM (Women in Science, Technology, Engineering, Mathematics and Medicine) and Orchard Girls Cidery.

Fish Explorations!, 11 a.m. to 1 p.m. Sunday, Jan. 26, Maine Discovery Museum, 74 Main St., Bangor. The Maine Science Festival, Maine Discovery Museum and students in the UMaine American Fisheries Society Student Subunit will lead activities and a fish exploration event for kids of all ages. 

Ecological Responses to Climate Change: Lessons from the Past, 7 p.m. Friday, Jan. 31, Barrel Room, Sea Dog Brewing Co., 26 Front St., Bangor. The Maine Science Festival and UMaine paleoecologist Jacquelyn Gill will offer a talk by University of Wisconsin professor Jack Williams. He explores vegetation change and its drivers, with an emphasis on environmental changes of the last 20,000 years. Hear how knowledge of the past can help model the future.