The pink, white and red blob of tissue quivers in a vat of clear goop about the size of a kitchen sink. Graduate students whiz around this slimy beating heart and crawl under the tubes connected to ...

Tucked in the basement of the Mayo Building on the University of Minnesota’s Twin Cities campus sits a detached, beating ...

Every year, more than 5 million people in the U.S. are diagnosed with heart valve disease, but this condition has no ...