Download Dazzle Gradually: Reflections on the Nature of Nature by Lynn Margulis, Dorion Sagan PDF

By Lynn Margulis, Dorion Sagan

On the crossroads of philosophy and technology, the sometimes-dry subject matters of evolution and ecology come alive during this new choice of essays--many by no means prior to anthologized. find out how know-how could be a type of moment nature, how the systemic human fungus Candida albicans may end up in cravings for carrot cake and beer, how the presence of existence might be why there's water in the world, and plenty of different attention-grabbing facts.

The essay "Metametazoa" provides views on biology in a philosophical context, demonstrating how the highbrow librarian, pornographer, and political agitator Georges Bataille was once inspired by way of Russian mineralogist Vladimir Vernadsky and the way this resulted in his idea of the absence of which means within the face of the sun--which later prompted Jacques Derrida, thereby setting up a causal chain of impact from the tough sciences to issues as summary as deconstruction and post-modernism.

In "Spirochetes Awake" the weird connection among syphilis and genius within the lifetime of Friedrich Nietzsche is traced. The dazzling similarities of the Acquired-Immune-Deficiency-Syndrome signs with these of continual spirochete an infection, it's argued, distinction sharply with the inability of proof that "HIV is the reason for AIDS". all through those readings we're dazzled through the intimacy and necessity of relationships among us and our different planetmates. In our lack of know-how as "civilized" humans we brush aside, disdain, and deny our kinship with the single effective lifestyles kinds that maintain this dwelling planet.

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Found in dry, open habitats in the southwest from Arkansas to California. Long tail Large bill Streaked brown body 51 GROUND BIRDS What to look for • Size • Shape • Breast and belly markings • Behavior SHORT-EARED OWL Very small ear tufts Flies like giant moth. Can be found across the continent in winter. Hunts over open country, particularly at twilight. Roosts on ground or low structures in the day. Black “wrist” marks on wing, visible in flight BURROWING OWL Streaked underneath Yellow eyes Nests in burrows in the ground.

Large ear tufts Large, chunky body Barred underside BARRED OWL Slightly smaller than the Great Horned Owl. Common throughout the east and in far northwest. Distinctive call, a series of hoots: who-cooks-foryou, who-cooks-for-you-all. Round head Dark eyes Barred chest Streaked belly EASTERN SCREECH-OWL Like a miniature Great Horned Owl. Has two color forms: gray and bright rufous. Calls are a soft trill and a quavering whistle. Replaced in the far west by the Western Screech-Owl. Gray or brown body Small ear tufts NOCTURNAL HUNTERS 35 What to look for • Size • Calls • Ear tufts • Wing shape • Throat shape • Throat color NORTHERN PYGMY-OWL Small owl of western woodland.

The larger species soar on warm air currents while hunting or migrating, saving a lot of energy. Identifying birds in flight can be difficult. It is hard to judge the size of an individual in the sky, and colors can be difficult to see when a bird is in silhouette. The proportions of the bird, the shape and size of its wings, tail, and head, and the style of flight can all be important in identification. What to look for • Wing shape: broad or narrow, long or short? • Wingtip shape: pointed or fanned?

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