On this week’s Tech Nation, Moira speaks with

Adam Tooze, a Columbia professor of history who is also an economist. His book is “Shutdown … How Covid Shook the World’s Economy.” Then Dr. Erica Smith from the Belgium company, Tools4Patient. How you identify when participants in drug trials report a positive response, even when they receive nothing. And Tech Nation Health Chief Correspondent Dr. Daniel Kraft talks about how to create what he calls a “check engine light” for your body.