Researchers In Kentucky Are Trying To 3D Print A Working Human Heart Out Of Fat Cells

Doctors and researchers at the University of Louisville are working on 3D printing a functioning human heart out of a patient's own fat cells, reports the AP. That might sound like a complex and intractable approach, but Dr. Stuart Williams of the university's "Bioficial Heart Program" says it's much easier than you might think: "The heart is one of the easiest — if not the easiest — tissues and organs to print because it's made up of so few cells that have really only one major function, an...