Spray-on Skin Coming to a Drugstore Near You

When it comes to regneration, the salamander is nature's gold standard. Scientists have studied the animals for years trying to figure out how they regrow tails, legs, and even eyes, but despite a few baby steps, they've made little progress. Now a new raft of technologies promises to catapult human healing power… » 6/25/08 8:00am 6/25/08 8:00am