Most cars have one to two catalytic converters, but the total can range from one to four or more, depending on the engine size, vehicle design, and emissions standards. While smaller or older ...

The Urban Prepper tests the Actron OBD II scan tool to support vehicle preparedness and emergency troubleshooting.

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 ...

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 ...

Discover the best AI content detectors in 2026. Compare Winston AI, GPTZero, Originality.AI, and more for accuracy, trust, ...

Diagnostic tools based on artificial intelligence are now making their way into Norwegian hospitals. AI can independently read X-ray images and detect bone fractures, or assess cancer tumors in both ...

The FDA has updated some information about the December recall of certain Abbott FreeStyle Libre 3 and 3 Plus glucose sensors ...

A research team led by La Trobe University has developed a single-use test strip which could ultimately change how diseases like cancer are diagnosed. The research, published in the journal Small, ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...