Tonight,
The scientists at UCL have already tested the growth procedure on rats and, in the next few months, they hope to perform their first human trials in Mumbai, India, where twelve children are awaiting the surgery. If the implants are a success, the procedure could replace the current method for handling this congenital deformity, which requires shaping rib cartilage into the shape of an ear and three or four different surgeries.
Watch the preview of the show below and, if you get BBC One, tune in tonight, October, 6 at 19:30 BST.