Intelligence isn't unique to humans — as the 15 amazing videos of animals solving problems in this article are about to show you.

Discover the smartest birds in the animal kingdom – from crows and ravens to African grey parrots, keas, and magpies – known ...

I show animals displaying surprising problem-solving skills and even acts of revenge.

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 ...

The planarian is nobody's idea of a genius. A flatworm shaped like a comma, it can be found wriggling through the muck of lakes and ponds worldwide. Its pin-size head has a microscopic structure that ...

The smartest cow ever lives in Austria and uses tools to solve problems, challenging what we know about cattle intelligence.