Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

The best heart rate monitors will track your heart rate comfortably, consistently and accurately ...

Your car's tire pressure monitoring system (TPMS) can fail, but you can still drive. Learn why sensors break and what to do when they stop working.

This easy test can help you get a gauge on your VO2 max—without a watch. Every day as I peruse through the mountain of ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

Researchers have developed a highly sensitive light-based sensor that can detect extremely low concentrations of cancer biomarkers in the blood. The new technology could one day make it possible to ...

Redstone is one of Minecraft's largest and most complex items. Players have used it to create large and impressive automated farms, other video games, such as Pokemon, and even full computer ...

It is possible to mitigate these interferences by controlling ambient noise within certain limits; however, this potentially makes the difference between a pass and a referral. At its most basic level ...

Researchers have developed a highly sensitive light-based sensor that can detect extremely low concentrations of cancer ...

The era when mobile phones were used merely for making calls has passed. Today's smartphones, such as the new Samsung Galaxy Z Fold7 with its expansive display, are pocket-sized powerhouses offering a ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...