arctic Archives - The Triz Journal
Biology – Arctic Ground Squirrel (Spermophilus parryii or Urocitellus parryii)
14/11/2018 | EditorDarrell Mann
Every September arctic ground squirrels in Alaska, Canada and Siberia retreat into burrows more than a meter beneath the tundra, curl up in nests built from grass, lichen and caribou hair, and begin to hibernate. As their lungs … Read More