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859: First Citizen Spacewalk | First Successful Whole-Eye Transplant, Over A Year Later
Manage episode 439802987 series 3381328
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SpaceX Crew Completes First Citizen Spacewalk
Big news in the world of commercial space flight: On Thursday morning, Jared Iasaacman and Sarah Gillis, members of SpaceX’s Polaris Dawn mission, became the first civilians to complete a spacewalk. The mission is a collaboration between Elon Musk’s SpaceX and Isaacman, a billionaire tech entrepreneur. While outside the spacecraft, the two crew members conducted mobility tests on their spacesuits.
SciFri Producer Kathleen Davis talks with Jason Dinh, climate editor at Atmos Magazine about this and other top science news of the week including deadly cholera outbreaks, germs at 10,000 ft, and Japanese eels that can escape a fish stomach through their gills.
The First Successful Whole-Eye Transplant, Over A Year Later
In May of 2023, there was a massive advance in the world of organ transplantation: the first whole human eye and partial face transplant. The man at the center of this procedure is 46-year-old Aaron James, who sustained significant facial injuries from a high-voltage work accident.
At the time, it was unclear just how successful the operation would be. Previous tests in animals had resulted in shrinkage of the transplanted eye, if not outright rejection. But now, more than a year after the transplant, a new paper in the journal JAMA outlines the success of this first-of-its-kind operation. While James cannot see out of his new eye, there is blood flow, normal pressure, and a retinal response to light.
Guest host Kathleen Davis speaks with Dr. Daniel Ceradini, director of research at NYU Langone’s Department of Plastic Surgery and first author of the JAMA study. They discuss the implications this success could have for the future of eye surgery, and the dramatic improvements in James’ quality of life.
Transcripts for each segment will be available after the show airs on sciencefriday.com.
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