The value of art, according to the theory of cognitive aesthetics, lies in the way that art can enlarge our understanding and knowledge of life. Memorial: The Silence of Extinction is a community art project designed to heighten awareness of the annual loss of plant and animal species due to extinction. People from around the globe were invited to commemorate the loss of a species by creating an image that was placed in a pocket in a panel in the Memorial work of art. As images were added, Memorial grew until it spanned over fifty metres, revealing thousands of images. Memorial was exhibited at venues in Australia and globally. During one of these exhibitions, participants were asked to complete a survey about their understandings of extinc...