The ISS Crew Collects Russian Pee for Its Water Supply

Did you know that the US and Russian sections of the International Space Station have long used separate water purification systems? It’s due to a dispute reaching back to the 80s over best water filtration practices. But, Bloomberg reports that a more pressing difference in the two sections’ processes centers around… »8/25/15 8:01pm8/25/15 8:01pm