This Halloween, we look at how technology is forcing us to ask: When is someone actually dead? And we look into research that is raising a further question: Could death someday be reversible? This episode originally ran on November 22, 2022. For show transcripts, go to bit.ly/unx-transcripts For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about the topics on our show. Also, email us! unexplainable@vox.com We read every email. Support Unexplainable by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices