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NASA: New pump resolves big space station leak

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CAPE CANAVERAL, Fla. (AP) — An impromptu spacewalk over the weekend seems to have fixed a big ammonia leak at the International Space Station, NASA said Thursday. The "gusher" erupted a week ago, prompting the hastiest repair job ever by residents of the orbiting lab. Spacewalking astronauts replaced a suspect ammonia pump on Saturday, just two days after the trouble arose. NASA is now...