A cow named Veronika has stunned scientists by using tools in a flexible and purposeful way. She chooses different ends of a ...

Wild chimpanzees show reduced participation and performance in their tool-use behaviours as they experience old age, according to long-term video observations. The study, published today in eLife, ...

For thousands of years, cows have primarily been viewed as a source of food and leather, but researchers now believe we have underestimated their intelligence. In a now-viral video, a cow is seen ...