Outside

Are Muscle Oxygen Sensors the Next Great Fitness Wearable?

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. On a typical training ride in Spain ...
AutoGuide

The Best O2 Sensors to Keep Your Engine Running Smoothly

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...
Outside

There’s a New Reason for Athletes to Consider Muscle-Oxygen Sensors

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. Quick background: muscle oxygen ...
Cult of Mac

How to use Apple Watch blood oxygen sensor, and what it’s good for

The blood oxygen sensor featured in Apple Watch Series 6 and 7 is “not intended for medical use,” Apple says. That seems odd, considering that low blood oxygen is a serious medical condition. If the ...