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`Plastics can shield astronauts from cosmic radiat

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.

Mars Mission to use astronaut feces as radiation shield

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.