See the US Air Force's 'Franken-bird' F-35 made from wrecked stealth fighters take its first flight
Restoring the salvaged 'Franken-bird' F-35A Lightning fighter jet cost an estimated $6 million, a fraction of the $80 million ...
National Audubon Society19h
Your Guide to the Audubon Bird Guide App
The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around ...