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 defend ourselves. to declare victory. so cvs health provides expert support and vital medicines. at our infusion centers or in patients homes.