Explore the groundbreaking CRISPR-Cas9 gene editing technology in this 16-minute TED talk by geneticist Jennifer Doudna. Learn how this revolutionary tool allows scientists to make precise edits to DNA strands, potentially leading to treatments for genetic diseases. Discover the mechanics behind CRISPR-Cas9 and consider the ethical implications of its use, including the possibility of creating "designer babies." Join Doudna as she calls for a pause in the scientific community to discuss the ethical considerations surrounding this powerful new technology.