Have you ever gazed out at the sea and felt the world become smaller? Perhaps you have swum in its waters and felt that time stood still, that the noise and chatter of the world faded away to a distant whisper , or you have marvelled as the sun slid gently beneath its horizon. In these moments, we often feel a sense of admiration or amazement, a feeling of smallness in the face of something so immense that it leaves us speechless. Maybe this is because we are ourselves 70% water, or because the sheer scale of the sea puts us in perspective, reminding us of our connection to something much larger.

This range of feelings—referred to as "awe"—has been extensively researched by psychologists. Being near natural bodies of water, especially the sea, has proven health benefits. This effect has been dubbed " blue health .

" Scientists have offered a number of explanations for these benefits. Being near water often means we do more physical activity , while natural surroundings also have a restorative effect on our mental well-being and social lives, meaning they also have mental health benefits . Furthermore, blue spaces can improve overall environmental quality, which brings indirect health benefits .

The origin of life itself Life on Earth began in the oceans. In addition to being a vital source of nutrients and resources, the sea is therefore our biological point of origin. Our sweat and tears share the sea's salty composition, and there is a surprising similarity between how e.