Earthworms and Air Force produce university researcher
Master Sgt. Michael Guderyon conducts research using stem cells in San Antonio, Texas, March 20, 2018. A Reserve Airman with the 307th Maintenance Squadron, Guderyon is also a doctoral student studying methods to conduct bone marrow transplants in a less invasive manner. The research is designed to help cure a host of diseases and extend the life of patients. (Courtesy photo by Charlotte Anthony)

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Photo by: Charlotte Anthony |  VIRIN: 180320-F-F3950-1002.JPG