The monkeys pass the mirror self-recognition test, with one small caveat: they have to be trained to do so.
The grand, 12th-century temple wrapped in strangling banyan trees in Cambodia was larger than thought, say researchers with the University of Sydney.
Rhesus monkeys rely on their sense of smell more heavily than researchers previously thought, employing it to distinguish between members of their own social groups and those who don't belong.
Researchers have discovered that humans and monkeys perceive – and misperceive – the world in similar ways.
The risk of developing anxiety and depression, rooted in three parts of the brain, can be passed down from parents to children, researchers say. They are learning more about the molecular differences that cause this, too.