Elon Musk has perpetually promised that self-driving cars are only a year away. However, today's relatively rudimentary autonomous systems are still making errors that most humans wouldn't make behind ...

Ponder the red-backed poison frog. In nature, red can issue a warning to predators — stay away, the aposematic message reads. On the road, red can be a warning of its own, often flashing on emergency ...

Modern fire apparatus are covered with numerous flashing and blinking lights of various colors. The lights are designed to warn motorists of the need to yield the right of way when the unit is en ...

You may notice green flashing lights this spring on vehicles responding to mental health emergencies in Westchester County. The governor just signed into a law a bill ...

Add Yahoo as a preferred source to see more of our stories on Google. Emergencies happen every day, and when they do, everyone on the road has an obligation to help crews get to the scene of an ...

HOUSTON – Question: Are flashing red, blue lights reserved just for law enforcement officers? Answer: Sergeant Stephen Woodard with the Texas Department of Public Safety says red, white and blue ...