While some captive birds have been reported to be able to imitate human-made sounds, such as human words and coughs, ...
These boldly colored migratory birds spend the colder months in the southern United States and begin returning to Michigan in ...
In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...