Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Michael Gross, Darrell Suto
a production of TLC ; in association with James Burke and the Principal Film Company, UK ; a presentation of Discovery Productions ; presented by James Burke
Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Michael Gross, Darrell Suto