Going Green: Sprinter Oscar Pistorius makes a mean, green shake

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Oscar Pistorius, the South African sprinter with two prosthetic legs, swears by a smoothie chock full of veggies, nuts and little else. He and NBC Sports' Mary Carillo make and share one of the smoothies, but not before each take a shot of algae.

Watch Mary Carillo's full report about Oscar Pistorius, 'Blade Runner,' from NBC's Rock Center with Brian Williams

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NBC Olympics: Everything you need to know about double-amputee athlete Oscar Pistorius

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