EMERGENCY ON THE ISS: How one leak could have ENDED mission for good INTERNATIONAL Space Station commander Chris Hadfield has revealed how a seemingly insignificant ammonia leak threatened to end the entire space mission. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Art Review: Mushrooms, Magma and Love in a Time of ScienceNASA moon landing SHOCK: Secret Apollo 11 tapes recovered after 49-yearsSHOCK DISCOVERY: ‘Amazing dragon’ fossil found in China to rewrite EVOLUTIONHow to See Mars Opposition and Closest Approach to EarthEclipse 2018: WATCH Blood Moon eclipse from the surface of the moon in stunning NASA videoAustralia’s Endangered Quolls Get Genetic Boost From Scientists