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Re:The Silicon Valley paradox: one in four people are at ris... by tclancy on Thursday December 14, 2017 @09:16AM (#15922357)
I think you've read a myth: grass isn't particularly nutritious for humans[0] and I doubt the Celts were regularly eating clover. It's an interesting example you raise though, given the famine was caused by rich people ignoring the needs of the poor.

[0] http://www.health24.com/Natural/News/Can-humans-eat-grass-20...

Re:The Silicon Valley paradox: one in four people are at ris... by Alex3917 on Thursday December 14, 2017 @09:38AM (#15922513)
Ignoring the fact that Americans get most of their calories from grass, clover is a legume, not a grass. It has a lot of protein, which makes it different than most other wild vegetables.
Re:The Silicon Valley paradox: one in four people are at ris... by Spooky23 on Thursday December 14, 2017 @10:25AM (#15922949)
Tenant farmers were subsisting on potatoes almost exclusively. They were 19th century serfs. They didn’t have access to expensive grains or meat.