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4min chapter
Cold
SciShow Tangents
The History of Freeze Drying
freeze drying was formally invented in 1890 and didn't really start catching on until World War II when it was used to preserve penicillin and plasma. In the Alta Plano, which includes parts of Bolivia, Peru, Chile, and Argentina, there is a traditional freeze dried potato food stuff called chuno that has helped people survive harsh conditions. Some historians think this may have been instrumental in helping the Incan empire establish itself because they could carry all the food around with their army. And there are some samples of tuna that were found 600 years ago that could be 5,000 years old. So would you eat that? I'm dying to try this Potato Stomping Party!
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