Part 3 of the TED Radio Hour episode Future Consequences.

About Paul Knoepfler's TED Talk

New gene editing tools hold a great deal of promise, but biologist Paul Knoepfler says we should be cautious. He warns altering DNA can have dire consequences, including a new form of eugenics.

About Paul Knoepfler

Paul Knoepfler is a biologist and a professor at UC Davis School of Medicine. His research examines stem and cancer cells including new genetic modification technology's capacity to transform these cells.

He is the author of GMO Sapiens: The Life-Changing Science of Designer Babies and runs the popular science blog, The Niche.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

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