Tums on Mars!
http://www.msnbc.msn.com/id/26947967/
Tums == Calcium Carbonate
If a Marsonaut gets a tummy ache, he is all set.
:)
Tums == Calcium Carbonate
If a Marsonaut gets a tummy ache, he is all set.
:)
This blog is about the universe we live in with an emphasis on the solar system.
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