ScienceDaily
The sniff test of self-recognition confirmed: Dogs have self-awareness
Alternative approach to the 'mirror test' confirms hypothesis of self-cognition in dogs.
SCIENCEDAILY
Pleasure of learning new words
From our very first years, we are intrinsically motivated to learn new words and their meanings. First language acquisition occurs within a permanent emotional interaction between parents and children. However, the exact mechanism behind the human drive to acquire communicative linguistic skills is yet to be established.