
Open your kitchen pantry. Past the olive oil and baking soda sits a pair of ordinary jars: black peppercorns in a clear grinder and a tin of ground cinnamon. They are the white noise of culinary life. You crack black pepper over a fried egg without a second thought; you shake cinnamon onto oatmeal on…

Open your kitchen cabinet and pull out a jar of black pepper or a tin of cinnamon and you discover spices and trade. These humble spices, now available for mere dollars at any local grocery store, were once the driving force behind the global trade that shaped human history. Centuries ago, these prized ingredients were…
