Why Do I Laugh When Something's Funny?

Our young inquirer, Nagashri, asks our intrepid inventors, Blynk and Aazoo, "Why do I laugh when something is funny?" With the help of our intergalactic science expert, Anthony, learn why humans laugh, what other animals laugh, and how laughter can affect our health. Blynk invents a machine that turns laughter into power but also causes reality to change.