How many contactable alien civilisations are out there? – podcast
by Presented by Nicola Davis and produced by David Wa from Science | The Guardian on (#55H1G)
Could there really be other civilisations out there in the Milky Way? Nicola Davis talks to Prof Chris Conselice, whose recent work revises the decades-old Drake equation to throw new light on the possibility of contactable alien life existing in our galaxy
Continue reading...