As someone who is "color-blind" I've always been interested in what different people see and have been intrigued by the possibility that we all actually perceive different things, we've just learned to interpret them similarly. This article claims that our differences may be greater than our shared langauge. CooL!

Quoted: A team of researchers led by psychologist Dennis Proffitt determined that the way humans interpret concrete properties of their environments is dependent on their specific physical and emotional states.