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.