Philosophy Wire by Spiros Kakos [2011-01-18]: Scientists discovered that sharks cannot detect colour, they live in a black-and-white world [source: web news]. Reality is subjective. The colour we see, is not seen by other species. What is the "truth" after all? Does colour "exist" or not? If only one sees something noone else can see, does that something actually exist? A simple discovery reminded us of what we have long forgotten: what we call "Reality" is not so granted as we arrogantly want to believe...
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