This week, our reporters also spent some time looking at the potential future of biotech. Andrew Dunn pinpointed 5 takeaways from Walter Isaacson's best-selling book on Jennifer Doudna, the pioneering scientist who won a Nobel Prize for discovering CRISPR — including what ethical questions now face the cutting-edge gene-editing tool. Meanwhile, Patricia Kelly Yeo took a closer look at the plans Moderna's laid out to develop an HIV vaccine. After the success of Moderna's COVID-19 vaccine, it's possible the biotech could chart a new path toward a vaccine that's eluded researches for decades.