Sci-fi Spray-On Skin Has Arrived

In a fascinating preview for an upcoming episode of a National Geographic show, Dr. Jorg Gerlach demonstrates an instrument of innovation in the field of stem cell research. A prototype of a spray-on skin gun allows doctors to coat severe burns with the victim's own skin cells, resulting in nearly healed skin in just four days.

(Be forewarned, not for the squeamish; footage is graphic.)