If you're traveling at 60 miles per hour, just a few milliseconds can mean the difference between life and death when you need to come to a quick stop. According to a new study in the Journal of Consumer Research, drivers react more quickly to road signs with symbols depicting motion. "Warning signs are static visuals, yet they can vary in their ability to evoke a sense of movement. For example, the children depicted in a school crossing sign can be drawn as if they were running or walking. We discovered that more dynamic warning signs lead to quicker responses and chan...