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hubie [soylentnews.org] writes:

As most people know, everyone poops [wikipedia.org]. However, when you are an astronaut there are a lot more technical challenges to overcome in carrying out this act. Older and current methods of stuffing the waste into bags, jettisoning it into space (despite being described as "one of the most beautiful sights [nasa.gov]"), or letting it become a shooting star to wish upon [universetoday.com] are not the best ways of handing it while looking toward future missions to the Moon or Mars. A look towards future toilets [theverge.com] discusses ways to handle the waste, which could be on the order of 300 pounds for a mission crew, as well as how to make use of it from fertilizer to building materials and radiation shielding.

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