If our senses are so limited, how do we know what’s actually happening outside the dark vault of our skulls? Disturbingly, we don’t know for sure. Like an old television that can only pick up black and white, our biological technology simply can’t process most of what’s actually going on in the great oceans of electro-magnetic radiation that surround us. Human eyes are able to read less than one ten-trillionth of the light spectrum. ‘Evolution shaped us with perceptions that allow us to survive,’ the cognitive scientist Professor Donald Hoffman has said. ‘But part of that involves hiding from
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