Episode 162. Topic: Where did HIV come from? Theme: STDs. HIV, unlike other STDs or diseases, has only plagued mankind for a few decades. So where did this virus come from?

Episode 161. Topic: Syphilis brain. Theme: STDs. Syphilis progresses in three stages that can span decades of a person's life. In tertiary syphilis, the infection can reach the brain. What happens next?  

Episode 160. Topic: The Vasa. Theme: Shipwrecks. The famous Swedish Vasa shipwreck was recovered and is on display in Stockholm, Sweden. What happened and why did the ship go down on its maiden voyage? 

Episode 159. Topic: Simultaneous castaways. Theme: Shipwrecks. The story of the time two ships wrecked on Auckland Island yet neither knew the other existed. Why was one more successful than the other? 

Episode 158. Topic: Stranded in the Arctic. Theme: Shipwrecks. Why did the USS Jeanette sail through The Bering Strait hoping to sail directly to the north pole? What went wrong?

Episode 157. Topic: Stranded in the Antarctic. Theme: Shipwrecks. This is the amazing story of Earnest Shackleton's march over Antarctica when his ship sank. 

Episode 156. Topic: Franklin’s expedition. Theme: Shipwrecks. The story of the long lost expedition that disappeared while attempting to discover the northwest passage. What happened to the crew? 

Episode 155. Topic: The banana republic. Theme: Dictatorship. What does the term "banana republic" mean? Where does it come from and does it actually involve bananas? 

Episode 154. Topic: The Venezuela crisis. Theme: Dictatorship. What is causing the current political instability in Venezuela? Why is the current leader contested? Is it really all about socialism or something else?

Episode 153. Topic: Do not kill the sparrows. Theme: Dictatorship. What caused the great Chinese famine that lasted from 1959 to 1961? And why did China have to import sparrows from the USSR to stop it?