Hadfield demonstrates Microbial Air Sampling on the ISS

2013-03-23 - The International Space Station crews about 3 - 6 people at a time, but sometimes unwelcome guests appear in the form of bacteria. To keep the world's largest orbital laboratory clean, Commander Chris Hadfield uses a floating microbial air sampler to test for nasties. Watch until the end to see what he finds! Credits: Canadian Space Agency and NASA Web page of Expedition 34-35: http://www.asc-csa.gc.ca/eng/missions... Find out more about this video: http://www.asc-csa.gc.ca/eng/search/v...