InformationVideo published by Cloie Frances In this video filmed in Yellowstone National Park, a girl trips while being charged by a bison. The reflex that saves her a lot of trouble, and maybe even her life, is to play dead. The bison does not seem to understand what is happening and eventually...

InformationVideo published by Jason Martin This video offers a cute little sequence of a kitten discovering the concept of reflection. It does not seem to understand that it is alone, which is pretty funny. For several decades, psychologists have defined the level of self-awareness using the...