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Dirty laundry in space? NASA, Tide tackle cleaning challenge.

NASA wants it astronauts to stop discarding tons of their dirty clothes into space every year.

Astronaut Leland Melvin exercises in the Unity module of the International Space Station while the space shuttle Atlantis is docked with the station in November 2009.
Astronaut Leland Melvin exercises in the Unity module of the International Space Station while the space shuttle Atlantis is docked with the station in November 2009.Read moreAP
    by Marcia Dunne, Associated Press
    Published