In order to tie your shoes, there's a simple knot that almost all of us learn how to make when we're small children: a "criss-cross and tuck" part, followed by a "loop-and-pull" part. That simple ...

The Air Force is out with a twist on the old slogan 'loose lips, sink ships.' In this photo illustration from Al Udeid Air Base in Qatar, the U.S. Air Force warns military members to be cautious ...