Human friendship is not as unique as previously thought, say researchers who tested chimpanzees and found that they are more likely to share with those they trust and consider friends.
Dogs can rapidly mimic each other's expressions, just like humans and some primates.
It's no secret that cats are picky pets. They can be perfectly content with you stroking their soft fur and then suddenly WHAMMO! you get a paw full of claws to the hand. Of course, the temperament of your furry friend influences if and when this happens, but researchers at the University of Lincoln decided to investigate if there is a surefire way to "properly" pet your cat.
It appears that ravens may be even more viciously political than your average high school drama queen. That's at least according to a new study of these highly intelligent birds, who appear to have a social system that's characterized by alliances, betrayal, and sabotage between "friends."
Researchers are finding more concrete evidence that humans are not the only species which pass traditions down from generation to generation, but humpback whales and vervet monkeys also learn behavior from their peers.