Nebari

The Nebari are a fictional alien race in the Farscape universe. Nebari are humanoid in form, with grey skin and black hair (in males) or white hair (in females). Their skin is also immune to solar radiation. There are also presumably internal physiological differences, but these were not discussed in detail, however it is known that the color of their blood is blue. A small number of Nebari are natural hermaphrodites; the Nebari term for one is "androgyne." Being inherently incapable of conforming, androgynes are social exiles. On their home planet, conformity is enforced by The Establishment. Young Nebari are tested and placed into a position in society based on their abilities, and are expected to conform. Nebari failing to conform to these strict controls are "stabilized" or "mind-cleansed" to fit in. There are two types of mind-cleansing: The first is permanent (except in isolated cases), but takes cycles (years) to complete. The second is temporary, chemical-induced, and... full article at wikipedia