We give ourselves altogether too much credit in our dealings with other species. Even the power over nature that domestication supposedly represents is overstated. It takes two to perform that particular dance, after all, and plenty of plants and animals have elected to sit it out. Try as they might, people have never been able to domesticate the oak tree, whose highly nutritious acorns remain far too bitter for humans to eat. Evidently the oak has such a satisfactory arrangement with the squirrel—which obligingly forgets where it has buried every fourth acorn or so (admittedly, the estimate
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