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Mighty Mice Return From Space : Short Wave Some very unusual mice with big muscles are back on Earth after a month on the International Space Station. NPR science correspondent Jon Hamilton shares the story of the two researchers behind the experiment. What they learn could help people with disabling bone and muscle diseases and another group with muscle problems, astronauts. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at shortwave@npr.org.

Short Wave

Mighty Mice Return From Space

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Maddie Sofia

Mighty Mice Return From Space

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The mouse on the right has been engineered to have four times the muscle mass of a normal lab mouse. Se-Jin Lee/PLOS One hide caption

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Se-Jin Lee/PLOS One

The mouse on the right has been engineered to have four times the muscle mass of a normal lab mouse.

Se-Jin Lee/PLOS One

Some very unusual mice with big muscles are back on Earth after a month on the International Space Station. NPR science correspondent Jon Hamilton shares the story of the two researchers behind the experiment. What they learn could help people with disabling bone and muscle diseases and another group with muscle problems, astronauts.

Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at shortwave@npr.org.

This episode was produced by Brit Hanson and edited by Viet Le.