And this is why we love Mountain Dew

...
So the same mouse in a water bottle would still be intact after 15 months of decomposition?

15 months and it would still have skin and muscles and that.

However, try this. Add a coin into a glass of coke. I believe it's certain coins, depending on the country there's different metals involved. But nontheless. Do it before going to bed, and when you get back, the coin's dissolved. Oh, and don't go smart and drink it.

And that's just Coca-Cola.