Bulletin of the Atomic Scientists16h
The DC plane crash: Was the helicopter crew practicing for disaster before it became involved in one?
A US military helicopter that hit a passenger jet in Washington was practicing emergency evacuation plans. It is not clear ...
Hosted on MSN23h
Doomsday clock says we're 89 seconds 'til the end
In the sense of the Doomsday clock, it means how close we are to catastrophe.