OpenAI's decision last week to shut down Sora, its AI video-generation tool, just six months after releasing it to the public raised immediate suspicions. The app had invited users to upload their own faces — so was this some kind of elaborate data grab? Also, Mantis takes disparate sources of data to make synthetic datasets that can be used to build so-called "digital twins" of the human body, representing anatomy, physiology and behavior. Learn more about your ad choices. Visit podcastchoices.com/adchoices