A standardized definition to capture structural degeneration of surgical and transcatheter bioprosthetic aortic valves, as well as recommendations for the timing of clinical and imaging assessments, ...

Back in June, Valve issued expansive Steam guidelines that said games would only be removed from the platform for illegal or “outright trolling” content. At the time, we noted that the unclear ...

Once upon a time, picking a cam for a given engine combo was all about compromise: improve top-end power at the expense of low-end torque, run well at wide-open throttle but sacrifice idle stability ...

It's springtime! Time to start working on your project car, learn a new wrenching skill, discover what everything is under the hood (and how it works), or just spruce up your daily driver. All month, ...