Orbiting at an altitude of almost 400 km, the International Space Station provides a unique opportunity to conduct scientific experiments in a microgravity environment. The data gathered on board the ISS is beamed to earth and made available to scientists on the ground to advance the knowledge in such fields as human physiology, astrobiology, fundamental physics and meteorology/technology.   Astronaut and physicist Christer Fuglesang completed two missions to the International Space...