资讯

What in-flight turbulence is and when it becomes dangerous for passengers and crews
A Delta Air Lines flight from Salt Lake City to Amsterdam that was hit by serious turbulence Wednesday, sending 25 people on ...
'Doomsday Glacier' the size of UK so unstable its collapse could swallow cities
The 'Doomsday Glacier' in West Antarctica is one of the largest and most unstable in the world - and could flood major cities across the world including London if it collapses ...