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,
Eye of the Tiger (film) script as "an endless barrage of stale revenge-film cliches". Shout! Factory announced they would release "Eye of the Tiger" as part of a four-film "Action-Packed Movie Marathon" DVD set on March 19, 2013. Eye of the Tiger (film) Eye of the Tiger is a 1986 American action drama film directed by Richard C. Sarafian, and stars Gary Busey, Yaphet Kotto, Denise Galik, Seymour Cassel, William Smith and Judith Barsi. After serving time in prison, Buck Matthews (Gary Busey), a Vietnam War veteran, returns to his hometown to start his life over with his wife Christie (Denise Galik) and their five-year-old