It sounds like a Hollywood movie - bringing extinct animals like the dodo back to life - but a company has attracted hundreds of millions of dollars of investment to do just that. We hear the arguments for and against de-extinction technology.

Also, losing the alcohol but keeping the taste, our reporter takes a sober dive into the tech behind alcohol-free beer.

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Presenter: Chris Vallance Producer: Tom Quinn Editor: Monica Soriano

(Image: An illustration of a dodo bird. Credit: DeAgostini Picture Library/Getty Images)