The devices physically map how air moves into, through, and out of the lungs, as well as how heart rhythm changes in various resting and active states and how food, gas, and fluids travel through the intestines by simultaneously recording noises and connecting those sounds to bodily processes, according to the team.

This is so freaking cool. Wearable health devices are the future. I love all the data I get from my Apple Watch alone. As long as the health data is private to me, I’m all for this.