Bone Mass Changes News Today

>> well not only dragged me back in, but dragged me all the way here to kazakhstan. ive already participated in -- of ultrasounds and mris -- [ no audio ] happened today and ill do that again while hes in space and after he comes back. these are studies looking at the change in the genetic material the change in my brothers dna from being in space for a year and the change in bone mass changes to the brain and the optic nerve. theres about ten -- theres a list of ten different research studies f...