Google's Project Ara team is testing a module that can track your blood oxygen level

If you ask Paul Eremenko, head of Google’s Project Ara, what excites him the most about the experimental modular phone, he’ll tell you it’s the opportunity for developing life-changing personal technologies. During Engadget’s Engage conference, the former deputy director of DARPA opened up about the projects within Ara he’s most passionate about, including health care tech. Fiddling […]