Veronica, a pet brown Swiss cow, has learned how to use both ends of a stick to scratch her back, in a rare demonstration of the ability of animals, especially cows, to this kind of flexible use of tools, which has never before been documented…
Veronica, a pet brown Swiss cow, has learned how to use both ends of a stick to scratch her back, in a rare demonstration of the ability of animals, especially cows, to this kind of flexible use of tools, which has never before been documented…

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