Do astronauts ’ brains get bigger in space?The answer may be found in 10 small containers of human brain cells on board a SpaceX spacecraft  that is scheduled for blast off Dec. 5 for a 16-month voyage to the International Space Station as part of joint project between UCLA and the NASA Ames Research Center.Astronauts on long-duration space missions frequently develop “intracranial hypertension,” or high pressure within the skull, said Araceli Espinosa-Jeffrey, a neurochemist at UCLA’s Intellectual and Developmental Disabilities Research Center in the Jane and Terry Semel Institute for Neuroscience and Human Behavior. Espinosa-Jeffrey is leading the experim ent that will measure how these cells behave in a microgravity environment.The poorly understood condition, first observ...

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