A pet cow named Veronika uses a tool in a surprisingly sophisticated way—possibly because she has been allowed to live her ...
A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows ...
A pet cow has learned to scratch herself with a broom, showing creative problem-solving skills that make it harder to ignore ...
The use of animals in science research has a long-storied history of success; almost every modern-day medical drug or treatment was either first developed or discovered through the use of animals.
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