Is lab-grown meat the future of food?

Available for over a year

How d'ya like your steak - medium, rare or lab-grown? In vitro meat could ease animal suffering and help reduce carbon emissions associated with animal agriculture. But would people eat it? BBC Radio 5 Live's Adrian Chiles speaks to Didier Toubia, whose firm claims to have grown an edible steak from the cells of a living cow - and Koert van Mensvoort, who has launched a virtual restaurant featuring conceptual lab-grown meat dishes.