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Absence (of Weight) Makes the Heart Grow Rounder

8 Apr 2014, 00:30 UTC
Absence (of Weight) Makes the Heart Grow Rounder
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After prolonged periods in microgravity, astronauts' hearts became more spherical, according to scans done on the International Space Station. Sophie Bushwick reports.  

 

-- Read more on ScientificAmerican.com

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