These Are the First Ever Images of a Heart Injected With Liquid Metal

It may surprise you that, despite our seemingly vast knowledge of the human body, we're still decently in the dark when it comes to the smaller portions of the cardiovascular system. Even more surprising, the answer to that problem isn't lying in more powerful microscopes. It's in a heart pumping pure, shiny liquid… » 12/06/13 4:40pm 12/06/13 4:40pm