资讯

Talker7 分钟

How extinction of dinosaurs reshaped earth’s entire landscape

Dinosaurs' extinction "re-engineered" Earth's surface, according to new research. The reptiles had such an "immense" impact ...
National Security Journal on MSN4 小时

The F-117A Nighthawk Has a Message for the U.S. Air Force

The F-117A Nighthawk was the Air Force’s answer to maturing Soviet air defenses: a low-observable, night precision-strike jet ...