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Jennifer Doudna: How CRISPR lets us edit our DNA

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Jennifer Doudna: How CRISPR lets us edit our DNA
TED Talk Subtitles and Transcript: Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases ... but could also be used to create so-called "designer babies." Doudna reviews how CRISPR-Cas9 works -- and asks the scientific community to pause and discuss the ethics of this new tool.
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