Apple's fitness-focused watchOS 4 is available for download
Much-improved heart rate tracking, more workouts and UI tweaks await.
Fitness wearables will soon diagnose by design, not by chance
Your Apple Watch or Fitbit will soon pay attention when your heart skips a beat.
Apple Watch Series 3 gains LTE for $399
There’s a non-cellular version for $329, too.
Apple watchOS 4 comes to your wrist September 19th
It'll also include new heart rate features.
Polar unveils an affordable heart rate tracking armband
The $79.95 wearable can store 200 hours of heart rate data.
Panasonic can read your heart rate by looking at your face
The sensor tech will be used to show the stress levels of golfers at an upcoming tournament.
Homemade thrill ride speeds up if you're not scared enough
An artist's 23-foot-high "Neurotransmitter 3000" responds to his biometrics.
Your clothing could soon have stealthy heart rate sensors
You could even chuck it in the washing machine.
Smartwatches can tell you're about to get sick days in advance
Wearables may actually be useful for something else.