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 ...

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 ...

Smartwatch-based monitoring using both photoplethysmography and ECG could improve detection of new-onset atrial fibrillation ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give higher readings for patients with darker than lighter skin tones, finds the ...

Yes, it snowed in Hawaii this week – as much as 10 inches, in fact. But don't panic, it's actually a fairly common occurrence. "While most people think of the islands as a warm, tropical paradise, ...

I tested six popular thermometers and compared their ease of use, reading speed and design, and found two models I’d recommend to anyone for at-home use.

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 ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.

If your anxiety is the worst at night, you’re not alone. I can be dead tired, and yet the moment the lights go out, my brain will shift gears instantly. A simple noise down the hall or a stray thought ...