With the new Blade Runner movie, there is fresh popular interest in defining and identify boundaries between humans and non-humans. on the question of whether emotions provide dividing lines. Will the Voight-Kampff test always be able to tell the difference between replicants and humans? "You’re in a desert, walking along in the sand, when all of a sudden you look down and you see a tortoise …"
That story has sparked conversation. The site Aesthetics for Birds picks up the theme: "