In this episode of 'Wow in the World,' titled 'Two Whats?! And A Wow! - Koala or Nothing,' hosts Mindy Thomas and Guy Raz engage listeners with a playful game centered on koalas. The episode presents intriguing facts, such as the unique trait of koalas having two opposable thumbs that assist in climbing. Participants learn about baby koalas, or joeys, who eat their mother's nutrient-rich feces to aid their transition to eucalyptus leaves. Additionally, the episode addresses the significant shrinkage of the Great Salt Lake due to unsustainable water usage and climate change, emphasizing the importance of environmental restoration efforts.