Add Yahoo as a preferred source to see more of our stories on Google. Photography by Rachel Pickus Pashun George and her sister grew up scratching their mother’s back before bed. Now, they charge $130 ...
A cow’s clever behavior using back-scratching tool forces scientists to rethink intelligence of animals - This type of behaviour has previously been demonstrated convincingly only in chimpanzees, rese ...
Add Yahoo as a preferred source to see more of our stories on Google. It’s long been assumed cows are not intelligent enough to make or use tools. But that assumption is being challenged by a ...
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