This article is an installment of Future Explored, a weekly guide to world-changing technology. In August 2023, Excision announced that a version of EBT-101 designed to treat SIV — a virus closely related to HIV that infects non-human primates — proved safe in a monkey study, and it also found evidence that the CRISPR system reached and edited target DNA in “all significant viral reservoirs. Researchers are now studying those women, looking for connections that might explain how their bodies were able to get rid of the virus — and how that might be translated into a cure for others living with HIV