I heard the first bear was spotted at Yellowstone! Does the length or severity of the winter change the hibernation length, especially for bears?

Answered by Gregg Losinski – ESER Education Specialist and Human/Bear Conflict Expert Hibernation is a fascinating adaptation that many animals use to survive when harsh extremes are part of their environment. We think of hibernation in relation to cold, but there is a parallel process called estivation that occurs during very hot temperatures and allows…

How does fermenting food work to preserve it?

Question answered by Miles Knowles MBA Sustainability from Bard College and studied resilience in food systems. The historical purpose of fermentation was preserving fresh food in a time before refrigeration, although the health benefits of lactic acid fermentation have sparked a new generation of home fermentation enthusiasts. Lactic acid fermentation, or lacto-fermentation, is an anaerobic…