If your heart is broken, you might be able to grow a new one in the future!

Millions of people are affected by heart disease around the world. New treatments and surgeries are more high-tech than ever, but researchers from the Center for Cardiovascular Repair at the University of Minnesota have gone above and beyond. They succeeded at growing a rat heart in a lab, and to go even further, it can pump blood!

This may be unbelievable, but with stem-cell technology, researchers have made this science fiction story into a reality. While growing a full-size human heart is a huge undertaking... read the full article here!