Veronika the cow uses a brush as a tool to scratch herself, revealing rare problem-solving skills and expanding what we know ...

Veronika the Austrian cow adapts the placement of a tool depending where on her body she has an itch, and challenges assumptions about cattle smarts in the process.

Learn how researchers tested a cow’s behavior and what her tool use reveals about animal intelligence.

"This was a meaningful example of tool use in a species that is rarely considered from a cognitive perspective," said a ...