Nova Season 5 Episode 2
Episode Title: The Green Machine
Countries:
USA,
Airing Date: January 11, 1978
Runtime:54 mins
IMDb Rating:
Stream the full Nova Season 5 Episode 2 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
NOVA : It has been known since the turn of the century that there are four human blood groups, based on different red cells and serum characteristics. NOVA looks at the more recent discovery that the different white cell types, as determined by a variety of different molecular markers on the cell surface, open up the possibility of the prevention of disease.