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Watch The Expanding Universe online: Episode 4 Searching For Other Life Forms

Mankind has always wondered whether or not there are other intelligent beings living on other planets, but only in the last century or so has the technology existed that would allow for a scientific search for such extraterrestrials. This documentary details some discoveries that have been made that might suggest the possibility of extraterrestrial life, as well as the continuing efforts by scientists to make new discoveries along those lines. "Searching For Other Life Forms" looks at the legitimate scientific attempts to find evidence of intelligent life beyond our own.

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