Add Yahoo as a preferred source to see more of our stories on Google. Veronika the cow demonstrates her tool-using abilities by scratches herself. - Antonio J. Osuna-Mascaró How does a cow scratch an ...
Jan. 20 (UPI) --Researchers in Austria detailed the unusual case of the first cow to be documented using tools -- specifically, sticks and brushes she uses to scratch herself. The team from the ...
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