What we breathe out becomes fuel for forests. But inside our own bodies, CO₂ has a secret life. It sparks chemical reactions, shapes metabolism, and may even act as a signaling molecule—and a new tool ...

For adults with asthma, having fans, air purifiers or other ventilation and exhaust systems—especially in kitchens and bathrooms—is one of the best ways to reduce the risk of flare-ups at home.

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 may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Alright, so that engine knocking and the car running like crap? Yeah, it was back. Even after cleaning everything (EGR, O2 Sensor, Throttle body, Intake Manifold, Exhaust manifold) last time, the ...

Early last year, Apple made the bold, court-mandated decision to remove the blood-oxygen feature from the Apple Watch Series 9 and Ultra 2 in the U.S. over a patent dispute with medical technology ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car experiences poor fuel economy, lacks power, feels sluggish, idles rough, or has an illuminated check ...

Apple is making another attempt to appeal the trade ban that forced it to remove the blood oxygen sensor from its smartwatches, Reuters reports. The company was forced to remove the feature in 2024, ...

The auto world can be a fairly feline-friendly place, with Hellcats, Cougars, Jaguars, Panthers, Tigers, and more all known for prowling the streets. While a cat-back exhaust is actually a different ...

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 ...