By Sarah Etter
Did Lassie really love Timmy? Or was she only saving him from disaster, time and again, so that he would reward her later with a tasty morsel from the dinner table?
Scientists, veterinarians and dog owners have long questioned the relationship between man and his best friend. Even philosophers have ventured opinions on the idea: Plato described dogs as "lovers of learning" and Voltaire refuted Descartes' theory that dogs were merely unintelligent machines.