Thanks to advances in treatment, HIV and AIDS don’t instill the same dread that they did in the 1980s and early 1990s, when those diseases were largely misunderstood and spreading rapidly. But they’ve hardly gone away: Today, more than 1.2 million people in the United States are living with HIV, the virus that causes AIDS. And with the pace of new infections continuing at a rapid clip here and throughout other parts of the world, it’s as important as ever to find a way to knock HIV out cold. Fortunately, Northwestern University researchers are in the early stages of creating a new