If you could choose only two things as a staple of any war movie, they'd probably be military jargon (like "roger" in military aviation) and hand signals. Whether it's Easy Company deep behind enemy ...

If you've ever looked outside an airport window while waiting for your flight to get underway, you've probably noticed the ground crew using hand signals. These hand signals are not just a means of ...

Group rides rely on unspoken coordination. Learn how bikers use 13 key hand signals to communicate safely, from stops to ...

It is Saturday morning in Liverpool and, on a tree-lined football field, a junior game is being played between two under-12 ...