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."
#NetNeutrality is STILL in danger - Click here to help. DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Check out the new SourceForge HTML5 Internet speed test. ×