You may want to reconsider getting pregnant (or impregnating someone) while in space. Low or zero gravity may impair the development of healthy embryos:
Link via io9 | Photo: NASA
Microgravity apparently tampers with stem cells, which all other cells originate from. Stem cells normally act as a repair system for the body by replenishing its tissues.[...]
After this experiment, the cells showed vast differences on the molecular level, with 64 percent of their proteins differing from those grown under normal gravity. Specifically, these microgravity-exposed cells generated more proteins that degrade bone and fewer proteins with antioxidant effects. Antioxidants protect against reactive oxidants that can damage DNA.
Link via io9 | Photo: NASA
Who cares. :P
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Actually there is an easy solution - artificial gravity can be made by spinning a spacecraft. It is simple, and needed on very long flights. Next problem?
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You know what that means...mutant astronauts.
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Just goes to show how attuned we are to our planet.
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