To date, one of the most incredible achievements of mankind has been the ability to put human beings into space to explore the universe. Beyond all the physics, rocket science, and math involved with such a feat, what we all really want to know is: How do you poop in zero gravity? NASA's best-kept secret finally gets revealed after the jump!
Turns out that alignment is key, and the margin for error is much smaller. Astronauts are a rare breed, indeed.