Add Yahoo as a preferred source to see more of our stories on Google. A new study has challenged assumptions about livestock intelligence by documenting the first known instance of a cow using tools.

How does a cow scratch an itch on its back? An Austrian cow named Veronika has a solution that could change how we view livestock. For the past decade, Veronika has been observed by her owner ...

Veronika, a pet Swiss Brown cow, uses a deck brush to scratch herself. Witgar Wiegele noticed this over 10 years ago, initiating long-term observation that led researchers to visit the farm in Notsch ...

(CNN) — How does a cow scratch an itch on its back? An Austrian cow named Veronika has a solution that could change how we view livestock. For the past decade, Veronika has been observed by her owner ...