In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

It’s a relatively simple maneuver, but it has the potential to reveal clues about a possible heart issue. So what exactly does the “thumb test” entail, and what should people know about it? Below, ...

Home blood sugar testing has become efficient and nearly painless with the use of modern devices. Regular monitoring, guided by physicians, helps manage blood sugar levels, prevent emergencies, adjust ...

Using a new skin care product without testing it first can potentially cause allergic contact dermatitis, an inflammatory skin condition in which the immune system overreacts to an ingredient in the ...

If you are shopping for a new or used car, USA TODAY Cars offers these tips to make the most of your test drive. First, said Matt Smith, head of Consumer Insights for car shopping site CarGurus, ...

The best way to tell if you’re getting what you’re paying for each month is by running a simple internet speed test. We'll show you how. Joe Supan is a senior writer for CNET covering home technology, ...

As a small business owner, Liz understands the unique challenges entrepreneurs face. Well-versed in the digital landscape, she combines real-world experience in website design, building e-commerce ...

Sea urchins are infamous for their painful spines. This experiment used an ultra realistic fake foot to test just how sharp they can be. Comer rejects calls for expert to analyze alleged Trump ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...

A spark plug is a small but important part of an engine. It delivers the spark that ignites the fuel-air mixture, allowing the engine to run smoothly. When a spark plug fails, the engine may misfire, ...

Glow plugs are essential in diesel engines because they help heat the combustion chamber, making it easier to start the engine in cold conditions. When glow plugs fail, the engine may struggle to ...