Study Claims Dogs Have Self-Awareness

A researcher claims to have successfully noted the presence of self-awareness in dogs—based on their sense of smell.

Dogs are self-aware, according to a recent study. 
Publishing in the journal Ethology, Ecology and Evolution, researcher Roberto Cazzolla Gatti noted the existence of self-awareness in man's best friend based on a smell test. 
Gatti's experiment incorporated four stray dogs and their urine. Samples were taken of each and the dogs were individually given an opportunity to smell as they pleased for five minutes.
According to a press release, "The result was surprising: all dogs devoted more time to smell the urine samples of t