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Smithsonian Magazine2d
Southern Hemisphere Gull Seen in Wisconsin for the First Time, Drawing Tourists for a Rare Glimpse of the Out-of-Place Bird
The vagrant kelp gull mated with a local herring gull, though the chick did not survive. Experts say it's a "complete mystery ...
Modern Engineering Marvels on MSN3d
How the YF-23 Black Widow II Redefined Stealth and Shaped the Future of Air Superiority Fighters
Yet, beneath the surface of the U.S. Air Force’s Advanced Tactical Fighter (ATF) program, the Northrop YF-23 Black Widow II’s ...