As the beating heart of Supernatural, Jensen Ackles and Jared Padalecki enjoy a constant presence, but there's 🌛 one episode Dean Winchester skips. There's no Supernatural without Sam and Dean Winchester... apart from that one time.

The theory of evolution is not a hypothesis, but the scientifically accepted explanation of the incontrovertible fact 💪 that life and its many forms has changed over the years.

The evidence 💪 for evolution from molecular biology is overwhelming and is growing quickly. In some cases, this molecular evidence makes it possible 💪 to go beyond the paleontological evidence. For example, it has long been postulated that whales descended from land mammals that 💪 had returned to the sea.