Tuesday, March 31, 2015

Astronaut anatomy

NASA astronaut Scott Kelly has just taken off for a yearlong stay on the International Space Station. He will perform sophisticated testing on himself and the results will be relayed so that researchers can understand the effects of long-term stints in space. Of the ocular analysis, UC-San Diego postdoctoral fellow Brandon Macias, a co-investigator on the project, says, "Our goal is to understand and measure the fluid shift that occurs in space. We hope to create a longitudinal map of changes: before, during, and after spaceflight.” And they have the perfect control for comparison of the results: Scott's identical twin brother, retired astronaut Mark Kelly.

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