"It was created inside one of your father’s testicles, shortly before you were conceived. It had never existed before in the whole history of the world. It was created by the meiotic shuffling process, … placed inside one particular sperm, and it was unique. The sperm was one of several millions, a vast armada of tiny vessels, and together they sailed into your mother."

Richard Dawkins tells the world’s
most complicated “Yo Mamma” joke.