The human is the only species that developed a prefrontal cortex, which has meant that not only can we analyse the world around us, but we can imagine a completely different one and also communicate it through language. We use language to name things and ascribe meaning. Shakespeare’s Juliet posited that ‘a rose by any other name would smell as sweet’, but it’s not just the flower or its scent that we think of when we consider a rose. It’s a colour, a symbol of love, religiou