The $99 Mio Link uses its optical sensor to track your heart rate.
Got a tattoo on your wrist? You could find it difficult to get an Apple Watch to track your heart rate. It's all about the way the ink blocks light from built-in sensors.
After going public just over a year ago, the struggling anonymous-messaging app is shut down by CEO David Byttow.
The software maker is on a mission to make hardware irrelevant, software the king and Windows the most powerful engine for every device. But the challenge starts now.
Data from the Very Large Telescope in Chile suggests that it would be more appropriate to call the Eagle Nebula's famous gas formation the "Pillars of Destruction."
Is there room for a plain old fitness band with no screen in an age of smartwatches? Jawbone's new band has fantastic software, but its heart rate tracking's just not useful enough.
A trio of new Jawbone fitness bands are on their way: two coming soon, one later this summer. They're slimmer, and they're ambitious. And we have two of them here to review.
Technically Incorrect: In an attempt at "playing" with face-detection tools, Microsoft wants to either flatter you or ruin your week. It couldn't cope with my face at all.
Researchers have created a "heart on a chip" using actual cardiac muscles to help test the effects of heart medication.
First V1sion is a startup that places you on the field of play by placing cameras and heart-rate monitors in the shirts of top sports players.