This is an incredible result, even if it is preliminary.
How to make this technology cheaper: Find a way to apply it as a cosmetic procedure. That new skin looks young. Economies of scale - driven by vanity or appetite - often end up helping those in dire need, such as burn patients.
Then, please, miniaturize this so you can spray stem cells onto my menisci. They've been getting more and more torn up for the past 40 years, but I still think cartilage beats teflon and titanium.
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