An insider's look at the feather, a marvel of bioengineering

Feathers are light, tough, flexible and strong. They achieve this combination of traits through a complicated internal structure that we are only just beginning to fully understand, with the aid of unlikely research assistants – fungi.

Feathers: The Evolution of a Natural Miracle: Hanson, Thor: 9780465028788: : Books

Amber trapped dinosaur feathers at different stages in their evolution

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Feathers: The Evolution of a Natural Miracle by Thor Hanson

73,111 Pigeon Feathers Isolated Images, Stock Photos, 3D

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First birds were poor fliers – flaps would have buckled Archaeopteryx feathers

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Feathers: The Evolution of a Natural Miracle: Hanson, Thor: 9780465028788: : Books

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Feathers: The Evolution of a Natural Miracle: Hanson, Thor: 9780465028788: : Books