NEWS
An Urban's View
Urban C. Lehner Editor Emeritus
Fri Aug 15, 2014 02:44 PM CDT

We can only speculate, because written records don't exist and fossils don't explain, how our earliest human ancestors went about deciding which plants to eat. It's a safe guess they used some form of trial and error to determine which tubers and grains and fruits weren't poisonous, which were nutritious, which tasted good.

Homo sapiens sapiens is still trying out new plants, though thankfully in a more sophisticated fashion. Quinoa, for example, was unknown to most Americans before it was first planted in California in 1982. In certain foodie circles today it's all the rage.

And then there are cashew ...

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