A Common Sense Selection! Exploring stories of science discovery. Tumble is a science podcast created to be enjoyed by the entire family. Hosted & produced by Lindsay Patterson (science journalist) & Marshall Escamilla (teacher). Visit www.tumblepodcast.com for educational content.
What would the world be like if there were no parasites? You might actually miss those mind-controlling blood suckers. Science writer Carl Zimmer tells us how scientists are discovering the hidden importance of parasites' dirty work.