A lot of tech is packed into this tiny smart ring! The Amazfit Helio smart ring features sensors that track heart rate, movement, body temperature and electrodermal activity. (Image credit: Anna Gora) ...

Working out in the summer heat can be rough, but how do you know when it's so hot it may be unsafe? Here's why I always check the wet bulb temperature before I run in the summer.

Modern medicine is largely reactive—treating illness only after symptoms emerge. But a new study from the Research Institute ...

The band's five LEDs, body temperature sensors and photodiodes provide valuable insight into your sleep. A few of our CNET sleep experts have been using Whoop for months and have found it to ...

This tutorial on thermopile sensors for contactless temperature measurement offers insights for using them in real-world ...

Building a precision calibration resistor that is thermally linked with a precision thermistor for additional temperature ...

Anna Maria Coclite is developing artificial skin, even more sensitive than our own. For burn victims and beyond, this "smart skin" has the potential to restore sensation to our body's largest organ.

Butlr uses body heat to track physical interactions and movement in the workplace. This helps clients save money through office efficiencies.

Researchers have developed Stressomic, a wearable microfluidic biosensor that sequentially measures cortisol, epinephrine, ...

Staying hydrated sounds simple. But when temperatures rise and the body sweats more, it’s not always easy to know when you’re running low on water. Dehydration can sneak up quickly—whether you’re ...