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December 2, 2016 08:25 am PST
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/rl04Qj1dWtk/why-does-long-term-zero-g-hurt.html
Why does long-term zero-g hurt astronauts' eyes? Mystery solved
Turns out that long stints in outer space affect levels of cerebrospinal fluid. That explains why many astronauts who had 20/20 vision before space missions needed glasses upon return, according to a paper presented this week. (more…)Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/rl04Qj1dWtk/why-does-long-term-zero-g-hurt.html
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