Yes, we have no blue bananas

German scientists say color perception depends not only on an object's pigmentation but also on our knowledge of what the object should look like.

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<p><a href="http://www.physorg.com/news80502098.html">Yes, we have no blue bananas</a></p> <p>German scientists say color perception depends not only on an object's pigmentation but also on our knowledge of what the object should look like. </p>