Explore the science of the revolutionary gene-editing technology, called CRISPR-Cas9, and how this tool could be used to cure diseases.

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From the smallest single-celled organism to the largest creatures on Earth, every living thing is defined by its genes. Thanks to recent advances, scientists can change the fundamental characteristics of an organism in record time using gene editing tools such as CRISPR. But where does this medical marvel come from and how does it work? Andrea M. Henle examines the science behind this new technology.

Lesson by Andrea M. Henle, directed by Adam Wells.

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See the full lesson: https://ed.ted.com/lessons/how-crispr-lets-you-edit-dna-andrea-m-henle

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