SPACE TOILETS: each space toilet should be custom designed to fit around each astronauts behind it should suck it in like a vacuum and have a cleaning jet of water. For urine there should be a small tube that goes into the urinary tract. For wiping the astronaut should remove the device that fits over the rear and stick the toilet paper to the edges of the space toilet using the side with the faces than clean. The water for cleaning should go into a different tank than the feces and after a certain number of tanks filled it should be disposed of on a planet that can hold it or in the sun.
