CNN Vital Signs with Dr. Sanjay Gupta May 30, 2015 18:45:00
Night otherwise. at the robot's workstation dr. sutherland removes the aneurysm from lee's brain. >> believe it or not, it's over. >> reporter: when the aerospace engineers first built canada arm 2 for the space station, they never dreamed it would help people rebuild their lives. those unintended benefits continue to extend to our daily lives here on earth. >> just break off a piece. >> reporter: including what you eat, and how you exercise. >> we use all the different surfaces of the space station, so they're in different configurations. making a fist something we do to show resolve. to defe...
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