Cooperative eye hypothesis Cooperative eye hypothesis The cooperative eye hypothesis is a proposed explanation for the appearance of the human eye. It suggests that the eye's distinctive visible characteristics evolved to make it easier for humans to follow another's gaze while communicating or while working together on tasks. Unlike other primates, human beings have eyes with a distinct colour contrast between the white sclera, the coloured iris, and the black pupil. This is due to a lack of pigment in the sclera. Other primates have pigmented sclerae that are brown or dark in colour. There is also a higher contrast between human skin,
Shiren the Wanderer 4: The Eye of God and the Devil's Navel Shiren the Wanderer 4: The Eye of God and the Devil's Navel Shiren the Wanderer 4: The Eye of God and the Devil's Navel is a role-playing video game developed by Chunsoft and published by Spike. It is the fourth main entry in the "Shiren the Wanderer" series, which itself is a part of the larger "Mystery Dungeon" series. The game was originally released for the Nintendo DS in 2010; an expanded port was released for the PlayStation Portable in 2012. "Shiren the Wanderer 4" is a role-playing video game in which the player explores dungeons that change each time