Gizmodo speaks to the NASA science team to ask why a DNA sequencer on board might be useful.   “All the [ISS’s] water is recycled and that’s from urine, condensate, sweat, everything,” Sarah Wallace, a microbiologist and the manager of the sequencing project told Gizmodo. “Is it being processed to where it’s microbially clean? We want to know in a more real-time way is that water processor working.”  Read more