If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

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

If oxygen falls below 19.5 percent or increases above 23.5 percent, a dangerous, hazardous situation for employees exists, according to the Occupational Safety and Health Administration (OSHA). Oxygen ...

Last year, Withings’ Pulse fitness monitor impressed us with the plethora of data it collects—including, as the name suggests, your pulse. This year’s update adds yet one more handy feature: a blood ...

Consumer electronics company Withings today announced its new Pulse O2 activity tracker, a full-featured activity monitor with special features for those with breathing concerns, like climbers. The ...

A large new study indicates the fetal oxygen monitor is essentially worthless. It was hoped the monitors would lead to healthier infants or fewer C-sections for expectant mothers. From NPR News, this ...

Dizziness and severe shortage of breath is a pretty sure sign of overexertion, but sometimes you won't know you've pushed yourself too far until you're hunched over the park bench gasping for air. The ...

If you’ve had a checkup, a medical professional may have clipped a device to your finger to measure your oxygen saturation (SpO2) and pulse. Until last year, that was my only experience with such ...