In cosmology, The Anthropic Principle states that any valid theory of the universe must be consistent with the existence of human beings. "If the universe must verify certain conditions to our existence, these conditions are checked because we exist." The various attempts to apply this principle to the development of scientific explanations of the universe cosmology have led to much confusion and controversy.. "The world is necessarily as it is because there are beings who wonder why so" Composed and produced by Mercé Spica At Oxid Studios Barcelona 2013 Mastered and Artwork by Simon Heath and Carolin Terzian User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.