 Well, we talked last segment about ALS. Look, there's a lot of diseases we all try to avoid, and certainly one of them, as we get a little older, is Alzheimer's. And with us tonight is Yanis Pascalidis. He's the director of the Hari, Hari? I hope I'm pronouncing both the name and the institute correctly, for computing at Boston University. Yanis, welcome to Night Sight, sir. How are you? I'm great. Good to be with you, Don.