Good luck getting through an entire day without experiencing the impact of Catholicism. Woken up by an alarm or checked the time? The mechanical clock was invented in the tenth century by a monk who became pope. A bowl of cereal for breakfast? Your milk is safe thanks to Louis Pasteur, a devout Catholic whose research was driven by a love of God and humanity. Knock on wood? It's actually an ancient Catholic practice invoking the power of the Cross...