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	Podcast:		The Signal
	Episode:		Why we're probably not alone in space
	Category:		News & Politics
	Duration:		00:14:33
	Publish Date:		2019-06-25 13:00:00
	Description:		Scientists have detected a methane spike on Mars, which has raised their hopes of finding microbial life there. It's not a guarantee, but the statistical likelihood of life existing elsewhere in the galaxy is remarkably high. In which case, why does space seem so devoid of intelligent life? Today we explore the possible explanations. Featured: Professor Alan Duffy, Astronomer, Swinburne University
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