CNN Special Report
So in typical silicon valley fashion, he rounded up the smartest scientists he knew and set out to disrupt big meat. >> this is what we call a bench scale fermenter. >> reporter: including john, who once studied vampire bats. >> we basically took the beef product. we deconstructed it. found out what made it beefy. >> reporter: what makes beef beefy is called heme short for hemoglobin. but what we associate with animal blood is also created by all kinds of plants, and it is the secret sauce at impossible foods. >> going to do a classic paddy melt. we are going to show you some meatballs for the...
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