Join our newsletter to get the latest military space news every Tuesday by veteran defense journalist Sandra Erwin. Story updated April 3 with additional details of Northrop Grumman’s satellite ...

A hair strand drug test screens for illicit drug use and the misuse of prescription medication. Though commonly called a “hair follicle test,” this drug test only tests clipped strands of hair ...

The sit-to-stand test takes just 30 seconds to complete, but its results can provide profound insights into your health. Getting out of a chair may seem too trivial a task to pay much attention to ...

Since 2004, I have worked on PCMag’s hardware team, covering at various times printers, scanners, projectors, storage, and monitors. I currently focus my testing efforts on 3D printers, pro and ...

FreshSplash / Getty Images A means test is a formula that uses someone's income to determine their eligibility for assistance or benefits. A means test is a method for determining whether someone ...

While you can get tested at a doctor’s office or a clinic, if you’re concerned about a specific STD, a home test may be a quicker and cheaper way to get results. Testing for STIs at home is ...

One of the industry's leading large language models has passed a Turing test, a longstanding barometer for human-like intelligence. In a new preprint study awaiting peer review, researchers report ...

What Is a Chloride Blood Test? The chloride blood test, sometimes called a Cl test or serum chloride test, is a simple blood test that measures your chloride levels. Why do chloride levels matter?

An estradiol (E2) test measures levels of the hormone E2 in the blood. The results can reflect issues ranging from fertility problems to liver damage. The right estrogen levels are essential for ...

A toxicology test can’t show if you have an addiction problem. It also can’t pinpoint how much of a drug you’ve used or when. It’s only able to tell if certain drugs are (or have recently ...