A guanaco successfully retrieves food from a cup with a lid. Trimmed from Caicoya et al. via Proceedings of the Royal Society B under CC BY 4.0 Hoofed animals that are outsiders in their social groups ...

What are big brains for? One idea, originally proposed to explain larger brain sizes in primates, is that animals that live in large groups evolved bigger brains to manage their complex social lives.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A new study published in Proceedings of the ...

Problem-solving games for dogs are often promoted as universal mental enrichment tools. The footage shows how dogs respond very differently depending on prior experience, motivation, and communication ...