The Download: Google's AI energy use, and the AI Hype Index

Inside the strange limbo facing millions of IVF embryos Millions of embryos created through IVF sit frozen in time, stored in cryopreservation tanks around the world, and the number is only growing. At a basic level, an embryo is simply a tiny ball of a hundred or so cells. But unlike other types of body tissue, it holds the potential for life. Many argue that this endows embryos with a special moral status, one that requires special protections. The problem is that no one can really agree on what that status is.