Coronary artery calcium (CAC) is a marker of subclinical atherosclerosis that confers increased risk of atherosclerotic cardiovascular disease. Measured by noncontrast cardiac computed tomography, CAC ...

Optical illusions might seem very simple but they often reveal the most intimate and unique things about you, your personality and your worldview. It is easy to dismiss them as frivolous but sometimes ...

A type of COVID-19 test that can be taken without the need for a nose or throat swab has been found to be highly effective in identifying infectious cases, including for people not showing symptoms, ...

An updated U.S. citizenship test was announced on Sept. 17 as part of a stricter naturalization process. Take ours to see if you can pass.

This fascinating optical illusion hides two overlapping faces, and what you notice first uncovers how your mind processes ...

SpaceX is continuing to gear up for the next flight of its Starship megarocket, which may be just around the corner. The company conducted a "static fire" test with its latest Starship upper stage ...

If a medical test result is inconclusive, the sample did not provide enough information to confirm a positive or negative result. A person may need another test. People can have various medical tests ...

The U.S. government is adding more questions to the civics test that applicants need to pass to become American citizens, the latest step by the Trump administration to tighten the legal immigration ...

There’s direct, to-the-dollar overlap at two points along the GLE-Class spectrum: The 3.0-liter inline six-cylinder GLE450 is priced right on top of the four-cylinder plug-in hybrid GLE450e, and the ...

Getting ready for your ICSE Class 9 Biology half-yearly exams means having the best study resources. This practice paper for 2025 is made to be just like the real test, so you can get used to how it's ...

The Trump administration is planning to make the test applicants take for U.S. citizenship more difficult, with a higher bar for passing and potentially an essay requirement. Speaking at an event ...

Hamza is a gaming enthusiast and a Writing Specialist from Pakistan. A firm believer in Keyboard/Mouse supremacy, he will play Tekken with WASD if you let him. He has been writing about games since ...