After the urine is collected over a couple of days, it's dumped into space, which is beautiful to watch because the urine freezes into a glitter of ice crystals shimmering in the sun. — Mike Mullane Copy Share Image
The opening for solid waste is very small [in the space ship]. It's not toilet-bowl size. And aim is critical. To be honest with… — Mike Mullane Copy Share Image
You can't put toilet paper in the toilet [in the space ship], so there's a separate vacuum can in front of you on the… — Mike Mullane Copy Share Image
NASA's training philosophy is "no surprises." So what they did is put a simulator on Earth where it looks exactly the same as a… — Mike Mullane Copy Share Image
In weightlessness, one of the physiological changes is a fluid shift. Your blood and fluid is equally distributed in your body. So that makes… — Mike Mullane Copy Share Image
In the space shuttle program, where we had males and females, I can tell you that nobody was doing that [sex] because there's absolutely… — Mike Mullane Copy Share Image
If you look at astronauts closely, their eyes look kind of puffy. And it gives you this mild headache. But one of the advantages… — Mike Mullane Copy Share Image
After the urine is collected over a couple of days, it's dumped into space, which is beautiful to watch because the urine freezes into… — Mike Mullane Copy Share Image
There's no way you can use water to collect waste in zero gravity. So, basically, our toilet on shuttle operations is a vacuum cleaner.… — Mike Mullane Copy Share Image
And you're headed to a place with no bath and no shower. So you can just imagine how crazy it is to get up… — Mike Mullane Copy Share Image
The solid waste is returned to Earth with the shuttle. If we [astronauts] ever dump solid waste overboard, it's going to give new meaning… — Mike Mullane Copy Share Image
![“The opening for solid waste is very small [in the space ship]. It's not toilet-bowl size. And aim is critical. To be honest with you, you don't know where your asshole is pointing within a small circumference.” quote by Mike Mullane](https://sms4smile.com/quotes/img-quotes/07d/mike-mullane-40841_aim_the-opening-for-solid-waste-is-very-smal_27379.jpg)
![“You can't put toilet paper in the toilet [in the space ship], so there's a separate vacuum can in front of you on the wall and when you're done, you put the toilet paper in there and seal that up.” quote by Mike Mullane](https://sms4smile.com/quotes/img-quotes/b69/mike-mullane-40841_done_you-can-t-put-toilet-paper-in-the-toilet_84593.jpg)
![“In the space shuttle program, where we had males and females, I can tell you that nobody was doing that [sex] because there's absolutely no privacy. The only privacy would have been in the air lock, but everybody would know what you were doing. You're not out there doing a spacewalk. There's no…” quote by Mike Mullane](https://sms4smile.com/quotes/img-quotes/7e4/mike-mullane-40841_air_in-the-space-shuttle-program-where-we-ha_1770458.jpg)
![“The solid waste is returned to Earth with the shuttle. If we [astronauts] ever dump solid waste overboard, it's going to give new meaning to wishing upon a falling star.” quote by Mike Mullane](https://sms4smile.com/quotes/img-quotes/f58/mike-mullane-40841_astronaut_the-solid-waste-is-returned-to-earth-wit_2940200.jpg)