Lewis Dartnell is an astrobiologist with an impressive track record in science and broadcasting. He's a regular at the Royal Institution, was a Fame Lab finalist last year, has just written for Focus magazine, and his work's even turned up on Have I Got News For You. Yeah, he's just everywhere, basically. Here Lewis tells us about his applied physics solution to the "gold dilemma" at the end of The Italian Job, and we brave some Chinese snacks courtesy of our jet-setting listener Liam.

lewisdartnell.com/
twitter.com/lewis_dartnell

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