Interesting things about living in space

Discover magazine has this article listing “20 things you didn’t know about living in space. Some of the interesting ones from the article:

  • The decreased pressure on the spine in zero-g causes most space travelers to grow about two inches.
  • A 2001 study showed that astronauts who snored on Earth snoozed silently in space.
  • Astronauts spice up their meals with salt and pepper—in liquid form. Sprinkled grains would float away, tickling noses and clogging vents.
  • Some long-duration cosmonauts report that the hardest thing to readjust to about life on Earth is that when you let go of objects, they fall.