LifeForms: life on Mars planet

From “Cosmic Capers (1957)“ documentary. Directed by Ward Kimball and narrated by Paul Frees, made in 1957. This video is a part of the show, and review some speculation about lifeforms on planet mars with hand-made cartoons, instead of computer graphics in shows like Discovery´s “ Alien planet“ or NGC´s “ Extraterrestrial“. Remember that the first probe to reach Mars was Mariner 4 in 1964. Until then, they did not know that mars would be a cold and dry desert, they had only speculations based on observat