Dissociative Identity Disorder (commonly known as Split Personality) is a controversial diagnosis and condition, with much of the literature still being generated and published in North America, to the extent that it was once regarded as a phenomenon confined to that continent.
The idea that educated men at the time of Columbus believed that the earth was flat, and that this belief was one of the obstacles to be overcome by Columbus before he could get his project sanctioned, remains one of the hardiest errors in teaching. – Details
Bats are not blind. While most bat species do use echolocation to augment their vision, all bat species have eyes and are capable of sight.
