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

Her owner, Witgar Wiegele, is an organic farmer and baker who keeps the cow as a pet. With Wiegele’s permission, they conducted a series of randomized trials with a deck scrub broom, chosen for its ...

A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows, researchers say.

Veronika, a cow living in an idyllic mountain village in the Austrian countryside, has spent years perfecting the art of ...