Dirt is great stuff: You can grow things in it, which means that in the future when the only thing left is climate change, zombies, and Terminators designed to look like Kardashians, it will be a kind of wealth. So you should probably be hoarding it like a Ron Paul fanboy hoards gold. The cool thing is that, unlike gold, you can produce your own dirt -- even if you live in a city.
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Millions alive today would have to die before the paleo diet could take over