Textbook in PDF format From scorching deserts to frozen seabeds, from the highest peaks of the Himalaya to the hadal depths of the oceans, there are habitats on this Earth that appear hostile to life―yet where, nevertheless, life flourishes. In North American forests, wood frogs awaken each spring from solid blocks of ice. Under the Saharan sun, shielded by silvery hairs, desert ants sprint through the midday heat that is lethal to any other animal. At the bottom of ice-covered lakes, painted turtles pass months without breathing oxygen. Transporting readers to far-flung environments we could never call home, in Super Natural, award-winning science writer Alex Riley paints an awe-inspiring portrait of life’s remarkable resilience even under the harshest circumstances