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

We take a look at the ten fastest planes ever flown. Though some uncrewed aircraft (like the X-43) have flown faster, they ...

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

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

In this scenario, Series 12 becomes a polished evolution rather than a redesign. It would align with Apple’s recent message ...

Current political and economic issues succinctly explained. U.S. President Donald Trump has continued to escalate his rhetoric about bringing Greenland, a semiautonomous territory of Denmark and the ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...