Our brains developed under the pressure of natural selection to make us good foragers, which is how humans have spent 99 percent of their time on Earth. The presence of flowers, as even I understood as a boy ,is a reliable predictor of future food. People who were drawn to flowers , and who further could distinguish among them and remember where in the landscape they'd seen them, would be much more successful foragers than people who were blind to their significance.
( Michael Pollan )
[ The Botany of Desire: A ]
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