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  • Talk Box: NASA's New Astronautsadd to reading list  

    Posted on June 18, 2013 at 7:58 PM

    Astrophysicist Ethan Siegal is back to talk about some of the science stories in the news, including the new class of NASA astronauts. Follow Ethan Siegel on twitter @StartsWithABang

    By Ben Lacy
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