Grunting the Conqueror Worm: Behold the conqueror earthworm, a creature introduced to North America mere centuries ago and now virtually unstoppable. And yet some humans know the means of summoning these worms from the Earth using only music or the rhythmic rubbing of stakes. In this episode of Stuff to Blow Your Mind, Robert and Julie take you inside the world of worm grunting. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers