Download E-books Feathers: The Evolution of a Natural Miracle PDF

By Thor Hanson

Feathers are an evolutionary surprise: aerodynamic, insulating, beguiling. They date again greater than a hundred million years. but their tale hasn't ever been totally told.

In Feathers, biologist Thor Hanson info a sweeping typical historical past, as feathers were used to fly, defend, allure, and decorate via time and position. using the learn of paleontologists, ornithologists, biologists, engineers, or even paintings historians, Hanson asks: What are feathers? How did they evolve? What do they suggest to us?

Engineers name feathers the most productive insulating fabric ever came across, and they're on the root of biology's such a lot enduring debate. They silence the flight of owls and preserve penguins dry lower than the ice. they've got embellished queens, jesters, and clergymen. they usually have inked files from the structure to the novels of Jane Austen.

Feathers is an enthralling and lovely exploration of this so much enthralling object.

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