182 EE What Will Astronaut Scott Kelly's Year in Space Teach Us? - a podcast by QuickAndDirtyTips.com

Today Astronaut Scott Kelly returns to solid ground after a NASA record-breaking 340 days in space. His epic journey—with the help of a comparison study of his twin brother!—will be a critical step toward our understanding of the toll space takes on the human body and ultimately toward sending humans on longer missions to Mars. Read the full transcript here: http://bit.ly/1psY9oL

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