animal intelligence

Scientists point out, some other animals have a much smarter brain than humans ...

From the 1960s to the present, many scientists believe that plants possess high level of sensory and intelligence abilities.

For decades, scientists have examined the intelligence of animals by observing whether they can identify themselves in the mirror.

Monkey species in general seem to be able to do addition operations. They plan, fight and restore peace. They can express empathy, sharing. That's why Duke University scientist