It's bad enough to when your roommate leave nail clippings on the coffee table. It's worse when your roomie leaves them floating in space, where you're liable to breathe them in.
That's one of the more bizarre predicaments faced by astronauts aboard the International Space Station (ISS). Since nails grow in space as they do on earth, and since astronauts can't just leave a passive-agressive note and head out for work, they've devised a nail-trimming protocol.
So you're floating around in the International Space Station, and you notice your fingernails are kind of long. What do you do? Well, Canadian astronaut Chris Hadfield has a trick. Step one: Get some nail clippers. Any old nail clippers will do.
Then, cut your nails as you normally would, just a couple inches from vent. The air flow should collect the nail fragments:
When you're done, you can just leave them there. Hadfield says he just vacuums them up later, during his regular cleaning routine: