The Search for Extraterrestrial Intelligence by Carl Sagan
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To reach other intelligences our technology must reach beyond interplanetary distances it has to go interstellar distances. This science video contains:
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To reach other intelligences our technology must reach beyond interplanetary distances it has to go interstellar distances. This science video contains:
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The most famous American astronomer and astrophysicist Carl Sagan explains the Drake equation. This science video contains:
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British (department of genetics at Cambridge University) scientist Aubrey de Grey, Ph.D., is interviewed by CBC news correspondent Portia Clark after a lecture at the University of Alberta... This science video contains:
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