Last Updated: Wednesday, June 12, 2013, 13:15
Data gathered by NASA`s LRO have shown that lighter materials like plastics provide effective shielding against the radiation hazards faced by astronauts during extended space travel.
Last Updated: Sunday, March 03, 2013, 16:27
Astronauts onboard a privately-funded expedition to Mars in 2018 will use their own feces to protect themselves against cosmic radiation.
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