Is there intelligent life to be found on any other planet but our own, anywhere else in the universe? Within the past century or so this question has been the focus of much scientific research and has cost government treasuries a lot of money. But have the results of this so-called Search for Extra-Terrestrial Intelligence, or SETI, justified all the effort and cost? Jonathan speaks with astro-biologist Tomaš Paulech about just this question.
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Jonathan McCormick, Photo: AP/TASR
