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Paul Root Wolpe: It's time to question bio-engineering


Paul Root Wolpe: It's time to question bio-engineering
Paul Root Wolpe: It's time to question bio-engineering
Duration: 19:42

At TEDxPeachtree, bioethicist Paul Root Wolpe describes an astonishing series of recent bio-engineering experiments, from hybrid pets to mice that grow human ears. He asks: isn't it time to set some ground rules?