11-02-2015 17:58 via scitechdaily.com

Barb Geometry of Asymmetrical Feathers Sheds Light on Evolution of Flight

By taking a closer look at feathers representing the evolutionary transition from dinosaurs to modern birds, Yale researchers demonstrate a better understand of how feathers facilitate flight in modern birds. The asymmetrical flight feathers of their wings are among the most distinctive features of living birds. But how are these feathers actually constructed, and when […]
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