Episode 192. Topic: US reservations. Theme: Indigenous Americans. What are reservations? When and why were reservations created? How does US law apply in these zones? 

Episode 191. Topic: Beringia. Theme: Indigenous Americans. How did native populations enter the Americas? Why do we think humans were in the Americas long before that? What is Beringia and who are the descendants of the peoples that lived there? 

Episode 190. Topic: Vitiligo. Theme: Skin. What is vitiligo and what causes it? How is it treated? 

Episode 189. Topic: Albinism. Theme: Skin. What is albinism and how common it is in human populations? Non-human populations? Why does having albinism put you at risk in some countries? 

Episode 188. Topic: Evolution of human skin color. Theme: Skin.  How has human skin color evolved over millions of years and then again in just the last 100,000? What does skin color tell us about our ancestors and UV? 

Episode 187. Topic: Tanning and skin cancer. Theme: Skin. How does tanning increase one's risk for skin cancer? How has this knowledge affected the skin tanning industry? 

Episode 186. Topic: Hormones and acne. Theme: Skin.  How does acne happen and how do hormones affect it? Is it all about hormones all the time or is there more going on?

Episode 185. Topic:  The debt vs the deficit. Theme: Debt.  How can a country run a deficit and how can a whole country be in debt? Who do countries like the US owe money to?

Episode 184 Topic: Credit scores. Theme: Debt. What is a credit score? How can it help you? How can it hurt you? Why should you learn yours?

Episode 183. Topic:  Credit card debt spiral. Theme: Debt. How does credit card debt work and why can it get so out of hand?