Following pressure from dozens of LGBTQ groups, Facebook is finally pulling down some ads linking the HIV prevention drug Truvada to serious complications like bone and kidney damage—ads these groups have called false or misleading.
Scientists are excited about the prospect of using CRISPR, a powerful gene-editing tool, to combat HIV. A discouraging follow-up study shows that HIV is capable of developing a resistance to the genetic attack — but scientists say CRISPR’s battle with HIV is far from over.