No Pulse: How Doctors Reinvented The Human Heart | Popular Science | Longevity science | Scoop.it
This 10,000-rpm, no-pulse artificial heart doesn't resemble an organic heart--and might be all the better for it...

 

"The newest artificial heart doesn’t imitate the cardiac muscle at all. Instead, it whirs like a little propeller, pushing blood through the body at a steady rate."