Receta A hot chilli sauce tasting - 5 sauces compared

One of the things that has always fascinated me about the human senses is that you can never be entirely sure that you see, smell, hear, feel or taste anything precisely the same way as another person. An extreme example was a relative who is colour blind – where I saw all the seven colours of the rainbow, he saw… well I’m not sure what precisely he saw, but the best description is that he saw green and red both as a shade of brown because of a defect in his visual receptors. But what fascinated me more was people that had no discernible sensory defects; that although my best friend or my brother or the postman (who all have normal vision) might all describe the postbox on the corner as red, we might all be seeing something slightly…