Dogs won't care how much their dinner costs to produce in a lab, but your wallet might! Although still costly to manufacture, lab-grown pet food has arrived, designed to satisfy both pups and the planet—without the need for gourmet presentation. What kind of impact will these lab-grown dishes have on the environment? What other developments are occurring in the alternative proteins industry? / Night owls may have superior cognitive function (19:44). On the show: Niu Honglin, Steve Hatherly & Yushun