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 ...

The use of hand signals is a fundamental element of human communication. Hand signals work whenever there is a need for complete silence and when distance or noise, like when riding a motorcycle, ...

The gesture made to signal "OK" is now considered a racist hand gesture, according to the Anti-Defamation League, an international Jewish nongovernmental organization. According to the ADL, the ...

Driving school includes plenty of information that seems immediately useful, like who goes first at a four-way stop. But some of what's taught seems outdated, or perhaps even useless. Like hand ...

Because of the many potential hazards on the road when they ride, safety is very important among bikers. Given the increased vulnerability of riders from the lack of structural protection of ...

The cave stencils look like tic-tac hand signals used by bookmakers to communicate betting odds at race courses to me. Perhaps they were valuable when out hunting. My granddaughter learned sign ...

When you write your name in the air, you can see the letters appear on your smartphone. By Cade Metz Reporting from San Francisco The prototype looks like a giant rectangular wristwatch. But it ...