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Pterosaur Bones Could Inspire Lighter, Stronger Planes
In the skies of the Jurassic period, pterosaurs soared with wingspans stretching up to 10 meters — longer than a school bus.
See inside Marine One, the soundproof presidential helicopter that can seat 14 people and deploy anti-missile defenses
With a landing zone on the White House lawn, Marine One is often the most convenient way for presidents to get from place to ...