Discovery's unprecedented television event gets strong support with a creative array of tools That insect was not a hallucination: You really did see a large praying mantis creep up from the left side of the Yahoo! home page and scamper across to the tree frog's pool on the other side. It's just one part of the extraordinary online marketing campaign supporting Discovery's 11-part television event " Life ," narrated by Oprah Winfrey.