San Francisco-based Kenzen, which is developing a peel-and-stick wearable for athletes that measures, among other things, electrolytes in sweat, has raised $5 million from a stable of mostly strategic ...

A patch, which is placed on a person’s arm or their lower back, collects the sweat and then a pod provides the data. The sensors or patches worn by the crew members were under development for four ...

Researchers at Stanford University and the University of California-Berkeley have built a prototype that could lead to a slew of new features for wearable activity trackers. The group, led by ...