What’s the shape of the universe? Mathematicians use topology to study the shape of the world and everything in it
Through a field called geometric topology, mathematicians like me study all possible spaces in all dimensions. Whether trying ...
The lives lost in the D.C. plane-helicopter crash
Family and friends remember victims of the collision between American Eagle Flight 5342 and an Army helicopter near Reagan ...
WFMZ-TV4d
Pa's governor says small plane crashed in Northeast Philadelphia as crews respond to fiery scene
PHILADELPHIA - Pennsylvania’s governor says a small plane has crashed in Northeast ... of the crash site and that roads are closed in the area. The National Transportation Safety Board, which ...