Episode 261. Topic: The legality of fantasy sports. Theme: Sports. What are fantasy sports and where do they originate? Is it legal? What about online versions? 

Episode 261. Topic: Football vs football. Theme: Sports. Why do we call football (soccer) and football (American football) by the same name? How is their history somewhat intertwined? And is 'soccer' really an American word? 

Episode 260. Topic: Taxation and hyperinflation. Theme: Taxes. Why are taxes necessary if governments can just print money? What is the risk of deficit spending? 

Episode 259. Topic: The origin of US income tax. Theme: Taxes. The United States did not always have income tax. Today income taxes are moderately high and not going anywhere anytime soon. Where did income tax come from and why will it stick around?

Episode 258. Topic:  Capital gains tax rates. Theme: Taxes. Profit from investment is typically taxed at a much lower rate than employment income.  Why is that? 

Episode 257. Topic: Progressive vs regressive tax. Theme: Taxes. How do taxes disproportionately affect the poor? How can flat taxes be unfair? How can progressive taxes be unfair to the wealthy? 

Episode 256. Topic: Marginal vs flat tax. Theme: Taxes. How do taxes work on income? What are the benefits and what are the limitations? Do all countries tax income the same? 

Episode 255. Topic: Human tetrachromats. Theme: Eyes. Why might some females see more colors than the standard human? Is this even real? And why is it only females?

Episode 254. Topic: Colorblindness. Theme: Eyes. Why do some people have difficulty differentiation red and green? Why is this more common among males? What other kinds of colorblindness exist? How does colorblindness work? 

Episode 253. Topic: Vision impairment and correction. Theme: Eyes. Why for so many people is vision out of focus? Why does this happen and what are the methods to correct or cure vision impairment?