For us, making grass edible is a challenge that can be solved only with a lot of careful manipulation and protracted ingenuity. Take wheat. Wheat is useless as a food until made into something much more complex and ambitious like bread, and that takes a great deal of effort. Somebody must first separate out the grain and grind it into meal, then convert the meal into flour, then mix that with other components like yeast and salt to make dough. Then the dough must be kneaded to a particular consistency, and finally the resulting lump must be baked with precision and care. The scope for failure
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