Marvel and Portman make science cool

US actress Natalie Portman attends the world film premiere of 'Thor, The Dark World' in central London on October 22, 2013. AFP PHOTO/ANDREW COWIE (Photo credit should read ANDREW COWIE/AFP/Getty Images)

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    Marvel and Portman make science cool

"Thor 2" star Natalie Portman tells CNN how Marvel hopes to inspire a generation of female scientists.