Audio Research’s self-declared "finest-ever power amplifier" is now shipping worldwide and it is the culmination of 55 years at the very cutting edge of valve amp design. What you're looking at ...

First-degree ventricular (heart) block affects the electrical signal that makes the heart beat. It causes a delay in a portion of the heart beat and may lead to a slow heart beat. Healthcare ...

A 3D-printed, bioresorbable heart valve promotes tissue regeneration, potentially eliminating the need for repeated surgeries for adult and pediatric heart patients. The bioresorbable heart valve ...