A new handheld 3D printer can deposit sheets of skin to cover large burn wounds to accelerate the healing process. The device covers wounds with a uniform sheet of biomaterial, called bio ink. It’s dispensed by a small roller and sets the skin in place in two minutes or less. The material promotes skin regeneration and reduces scarring.
https://www.goodnewsnetwork.org/skin-printer-works-like-a-paint-roller-for-healing-burns/
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BONUS GN: All Australian bush fires have been contained thanks to a week of heavy rain. There are still 24 active fires burning in the region, they are small enough for firefighters to manage accordingly.
https://www.goodnewsnetwork.org/australian-bushfires-are-now-contained/