After testing countless devices for accuracy, comfort, and general value, these are the best fitness trackers I'd recommend.

When a car keeps cutting out at red lights, the problem rarely feels minor to […] ...

Elite athlete testing now in Tulsa! VO2 Max assessments at Ascension St. John measure your heart's true potential. 30 minutes ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional ...

We can't get enough of our Suunto Vertical 2 — this rugged smartwatch has everything athletes and outdoor explorers may ever ...

This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...

Could Luna beat Oura at the smart ring game?

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

Chemical Oxygen Demand (COD) is a fundamental parameter for assessing water and wastewater quality. It provides a fast, ...

This resulted in seven deaths and multiple injuries to various people, again, because of the inaccuracy in a specific set of ...

Gold on indium oxide enhances ozone sensing at room temperature, which could improve gas sensor design for real-time ...

Car habits like ignoring warning lights and slamming brakes cost thousands in repairs-12 simple changes protect your engine ...