Our heart is a complicated organ made up of many parts that sometimes don't always work as they should. Take a look at what can be used to keep a heart on a healthy beat.
In the history of desperate time and desperate measures, you'll find Jeff Getty's story. After getting FDA approval and finding a willing doctor, Getty had a baboon bone marrow transplant in 1995. The results? A mixed bag of success and skepticism. See more »
An ingenious new method of creating artificial bone makes use of something many people have in their home: an inkjet printer. Find out how an inkjet printer can turn out artificial bones. See more »