i think we are all born "polymath" like. due to societal conditioning and our own choices we lose this ability as we grow older. we have to be childlike to retain creativity, comparatively possess less fear of other people's opinions, biases and prejudices.
taught kids an inspiring story about... evelyn dennie who was hearing impaired but became a musician. apparently if the nerves for hearing are imapired... the nerves in the rest of the body pick up vibrations, that is how the hearing impaired feel music..