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Space Medicine

Astronauts' Hearts Change Shape In Space 113

sciencehabit (1205606) writes "Astronauts who go into space come back with rounder hearts. Scientists who had astronauts regularly take images of their hearts with ultrasound machines found that the organ becomes more spherical in space by a factor of 9.4%. The researchers believe the change in shape, which is temporary, indicates that the heart is performing less efficiently in zero gravity."
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Astronauts' Hearts Change Shape In Space

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"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth. -- Alfred North Whitehead