Episode 182. Topic: Student loan insanity. Theme: Debt. Why have student loans ballooned in the last two decades? Who is to blame?

Episode 181. Topic: The mortgage. Theme: Debt. How do mortgages work? How do second mortgages work? How has mortgage availability shaped suburbanization? 

Episode 180. Topic: Sex ratios. Theme: Pregnancy. Why are more boys born than girls despite the fact that males are more likely to not survive a full term pregnancy? 

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Episode 179. Topic:  Blood type incompatibility. Theme: Pregnancy. What happens if a pregnant female has a different blood type than her fetus? Why can this be dangerous? 

Episode 178. Topic: Healing wounds. Theme: Pregnancy. Did you know that when a female is pregnant, stem cells from the fetus circulate in the mother's blood long after birth and go on to help her heal wounds? Learn more about this crazy topic! 

Episode 177. Topic: Anti-antibodies. Theme: Pregnancy. Pregnant women create a special type of antibody that has proved useful for treating certain autoimmune diseases. How does that work?

Episode 176. Topic: Types of twins. Theme: Pregnancy. You may have heard of identical and fraternal twins but have you heard on conjoined twins? How about half sibling twins? Half identical twins? 

Episode 175. Topic: Gasoline vs electric. Theme: Cars. In the early era of car use, electric was dominant. Why and when did gasoline take over? Why only now has electric come back into popularity? 

Episode 174. Topic: The crash test dummy problem. Theme: Cars. Crash test dummies help improve car safety. However, why was a female crash test dummy only recently invented and why is is still not "female"? 

Episode 173. Topic: What are emission standards? Theme: Cars. What does it mean to regulate car emissions? Does this help climate change? How can trade agreements help reduce emissions?