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Part of the In Search Of series, In Search of a Call from Space explores attempts to communicate with life in outer space. Narrated by series host Leonard Nimoy, this video goes behind the history of communicating with creatures from other universes and discusses whether any of the efforts have really worked. There are documented cases of radio and television signals that have picked up identifiable sounds and blips, as well as cases that show how humans are using more advanced technology to try to make connections with other beings. The video also discusses the language or code used to send messages to other forms of life within the universe and whether the right scientific code has already been discovered. If the right code were found, it might be the key in uncovering the mysteries of the other worlds and other forms of intelligent life.