Poop has been around for as long as there have been animals to produce it. It's a constant, brown, smelly presence in all of our lives. But over the long stretch of history, humanity has come up with some brilliant and clever uses for it.
There are no hospitals in space. The closest A&E is back on Earth, and astronauts can't exactly jump in a cab to get there. So what happens if the sun burps out a massive blast of radiation while an astronaut is space-amblin' by?