Lab-Grown Meat: What's the Beef?

Silicon Valley seems to be constantly pumping out "solutions" to fix our broken food system. The latest and greatest: cell-cultured meat — meat that's grown in vats, without needing to kill animals. We join forces with Chase Purdy, author of “Billion Dollar Burger,” to find out how it's made. And we speak to Dr. Uma Valeti of Memphis Meats.

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