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[email protected]. ©Sigma Xi, The Scientific Research Society and other rightsholders Marginalia Mining the Boreal North Nancy Langston few days after Christmas, have thrived in the boreal forest. With- A I took the train south from Resource extraction out people, reindeer might not have Kiruna, a small mining town 200 ki- thrived as well. lometers above the Arctic Circle in Reindeer are well suited to the tai- Sweden. All three train cars were filled decisions are not ga’s frigid winters. They can maintain a with Asian tourists drawn to Kiruna thermogradient between body core and by the promises of shiny brochures: simply about the environment of up to 100 degrees, “See the Aurora Borealis in the last in part because of insulation provid- pristine wilderness in Europe! Come wilderness ed by their fur, and in part because of to Sweden’s pure nature!” counter-current vascular heat exchange I stood at the window and watched preservation or systems in their legs and nasal passag- the taiga—the boreal forest—slip by es. Cold is little problem; the challenge through the polar night. The moon rose development is finding food. Reindeer migration pat- over stunted spruce and birch trees terns reduce some, but not all, of their bent beneath drifts of snow.