Slime mold, a unicellular organism at the bottom of the food chain, can learn, a finding that has important implications for understanding the evolution of learning, as well as how many creatures can be 'smart' and successful without a brain.
The finding suggests the birds are able to understand what might be going on in the mind of another individual.
With just a stray date pit, pebble and seashell, a group of parrots figured out how to make a nutritional supplement.
Pigs may oink and bring home the bacon for some, but they also turn out to be intelligent and empathetic beings.
There are some surprising entries on a new list of intelligent animals, including a small lizard and a furry animal that might be in your home now.
Scientists found that chicks seem to count upwards moving from left to right.
The ability to categorize has long been thought to be a hallmark of human intelligence. New findings suggest pigeons do it too.
From an elephant that speaks Korean to goldfish that distinguish Bach from Stravinsky, the animal kingdom is full of non-human brainiacs.
+ Load More