We begin today’s installment with a discussion of the strengths and shortcomings of the CRISPR gene-editing technique, which George co-invented. Though CRISPR is a great improvement on the nine techniques that preceded it, it isn’t the be-all, and will surely be displaced by more powerful approaches in the future. George discusses this, as well a wish list of improvements that he hopes its successors will bring.

Learn about your ad choices: dovetail.prx.org/ad-choices