The Space Station - Is It a Space Station?

Science is the main objective of the space station. We're doing scientific experiments ranging from how space flight and microgravity affect our human body, so physiological and medical experiments,. Even flames burn differently in space. Material science, radiation, everything, you name it. And then we also have to do a lot of repair and maintenance. So i was super lucky to do three space walks while i was up there. When we need to repair something on the outside of the space station, we might be flying the canad arm. I mean, this thing that is canada's contribution to the international space station....