Chris Hadfield

@Cmdr_Hadfield

Mission specialist on STS-74 and performed multiple EVAs on STS-100. Currently training as the commander of Expedition 35.

Heart and Lungs in weightlessness - intricate equipment we set up on Space Station to test how we're doing

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1376 days ago

Heart and Lungs in weightlessness - intricate equipment we set up on Space Station to test how we're doing

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CollinsAmy 1368 days ago

The early versions of this test go back to the Soviet era Institute of Biomedical Problems in the 1960s.