Create Prosthetics' 3-D printers give anyone in the world access to a design operation in Lake Placid, N.Y., that, for $500, creates a personalized cover for a prosthetic device. David Sommerstein/NCPR hide caption

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Fashionable Prostheses Trade Realistic Color For Personal Pizazz

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Martha and Alvaro Galvis used to travel from New Hampshire to Boston to watch the marathon every year. Both were hurt in the bombing two years ago. Jesse Costa/WBUR hide caption

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Marathon Bombing Survivors Face A World That Still Feels Out Of Control

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Dennis Aabo Sorensen tests a prosthetic arm with sensory feedback in a laboratory in Rome in March 2013. Patrizia Tocci/Lifehand 2 hide caption

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An Artificial Arm Gives One Man The Chance To Feel Again

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