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FINCKE: As astronauts,
you might think we're like super people
and that we never need to eat
or we never need to go to the bathroom
or we never need to shower.
But actually, all human beings are pretty much the same.
So aboard the space station,
it's just like on planet Earth --
You have to eat, and you have to have good nutrition.
The folks on the ground
are both in the United States and Russia
and nowadays a little bit from Japan.
They prepare our meals months in advance
and then send them up to us.
We really don't have too much refrigeration or freezing.
So all of our meals kind of either need to be rehydrated
or they're kind of like meals ready to eat, MREs,
which most of you guys know about these days.
So the food is there.
It doesn't take too much time to prepare.
Of course, after eating,
you got to go to the bathroom sometimes, right?
So we have two toilets aboard the International Space Station.
They both are very similar -- so interchangeable parts.
We do number one, which is pee,
we pee into a separate container than we do number two in.
We recycle the number one -- the urine, the pee --
and we actually use the water that comes out of that
to make oxygen --
Because you know water is H2O, right?
So, we use the O, the oxygen,
as well as we use that water for scientific experiments
and sometimes we even use it to rehydrate our meals.
It's very pure.
But the number two, we just throw that away
with the other space trash that we have.
We exercise two hours every day.
Exercise is very important aboard the space station.
After exercise, it'd be great to take a nice hot shower.
Nope -- no showers aboard the space station.
But we do have these wet towels,
and we wipe ourselves from head to toe with the towel
once or twice every day.
We stay pretty clean.
It doesn't smell very bad at all.