Why NASA is Experimenting on Twins in Space

To understand the the long-term effects of space on the human body, NASA is conducting an experiment involving twins! Join Tara as she explains what they hope to learn by sending one twin to space, but not the More:NASA To Conduct Unprecedented Twin "Consider a pair of brothers, identical twins. One gets a job as an astronaut and rockets into space. The other gets a job as an astronaut, too, but on this occasion he decides to stay home. After a year in space, the traveling twin returns home and they reunite."Watch More:Can A Stranger Look Like Me? Wild Time Travel Possible? is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube now! on Twitter Dominguez on Twitter Long on Twitter Green on Twitter on Facebook on Google+ News the TestTube App:

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