Every human characteristic which one would categorize as being part of the human 'soul' has ostensibly been shown to be the product of the brain. Science will produce further evidence and understanding of brain/mind monism, and eventually give us the tools to work with the brain/mind system in ways most people never imagine.
P.S. That which is not observable does not exist. The very act of existing is to be observable.
P.S. That which is not observable does not exist. The very act of existing is to be observable.