Inside Apple Exploratory Design Group, which works on a glucose monitor, other advanced tech, and was behind some of the chip and battery tech in iPhones, Macs (Mark Gurman/Bloomberg)

Mark Gurman / Bloomberg:
Inside Apple Exploratory Design Group, which works on a glucose monitor, other advanced tech, and was behind some of the chip and battery tech in iPhones, Macs  —  Apple has a secret team working to bring noninvasive glucose monitoring to its smartwatch, but that's not all it's pursuing.