And if swearing off fast food wasn’t hard enough, those colorful red logos might make it even harder to ignore. The average human can see ten million colors, but red is special. Turns out ...

Some of today's most recognizable logos in the fast-food industry looked remarkably different when they were first introduced. McDonald's first logo, for example, featured a winking cartoon chef ...

They all have one thing in common, and it’s not just that they’re fast food restaurants… They all have red prominently in ...