This story was originally published on The Conversation. It appears here under a Creative Commons license. Regardless of how you celebrate end-of-year holidays, food is probably central to your winter festivities. And a trio of spices—cinnamon, nutmeg, and ginger—feature in many dishes and drinks and are an unmistakable part of the scent profile we associate with the holiday season. As a plant scientist, I was curious to know how these spices, grown in the tropics, became so closely associated with the Northern Hemisphere’s winter holidays. Just as cranberries’ fall harvest…
