Macchiarini performed the nine-hour operation on April 9 at the Children's Hospital of Illinois after carefully creating the windpipe using stem cells from Hannah's bone marrow that were saturated over a matrix of plastic fibers shaped into a tube.

CNN: Toddler gets new windpipe from her own stem cells

New Yorkers think nothing of turning up at a critical meeting in an ankle-length Driza-Bone coat, bright-yellow sou'wester and a plastic head scarf.

WSJ: Tina Gaudoin on Style: How to Dress Like a New Yorker

On Monday, they were home with their grateful mother, and Shaw and Rocky were being honored at the fire station -- Shaw with a fireman's hat and Rocky with a giant rawhide bone he grabbed from Fire Chief Ken Block before Block could take off its plastic wrapper.

CNN: Hero dog helps pull girl from icy river