The podcast episodes provided cover the topic of hunger from various angles, including the underlying neuroscience and physiology behind the regulation of hunger, appetite, and food intake, as well as the role of factors like hormones, genetics, and the environment in the development of obesity and potential treatments.

In the first episode, Dr. Zachary Knight discusses the science of hunger and medications to combat obesity, delving into how the brain controls our sense of hunger and satiety, the impact of dopamine and other hormones on eating behavior, and the new class of anti-obesity drugs targeting the GLP-1 system.

The second episode, Can nanoparticles help fight hunger?, explores a potential technological solution to the global food crisis, with nanomaterials chemist Christy Haynes describing her research into using nanoparticles to protect crops and improve food production.