Episode 41. Topic: Dorm diseases. Theme: College. Living in close proximity can produce an optimal environment for diseases to spread. 

Episode 41. Topic: The economics of expensive textbooks. Theme: College. Why are college textbooks so expensive? Why has their price outpaced inflation? 

Episode 40. Topic: Pseudoephedrine. Theme: Over the counter medicine. What is pseudoephedrine and how does it work to relieve congestion? How is it abused and how does it compare to other amphetamines? 

Episode 39. Topic: Robotripping. Theme: Over the counter medicine. What does cough syrup abuse look like? How dangerous and popular is it? 

Episode 38. Topic: The morning-after pill. Theme: Over the counter medicine. How does plan B work and how effective is it? 

Episode 37. Topic: How painkillers work. Theme: Over the counter medicine. Ever wonder how ibuprofen or acetaminophen  work to stop pain? The answer is not as clear as you'd think. 

Episode 36. Topic: Alka-Seltzer. Theme: Over the counter medicine. Learn about the story of Alka-Seltzer development and how the same marketing tricks still seems to work.

Episode 35. Topic: Hand wash vs dishwasher. Theme: Hygiene. We go after the age old debate on which is better -- washing dishes by hand or using the dish washing machine? 

Episode 34. Topic: Are toilet wipes better? Theme: Hygiene. We've all seen the ads telling us to wipe our bits with wet wipes for a more sanitary finish. But is it actually more sanitary or just a marketing ploy? 

Episode 33. Topic: The skin microbiome. Theme: Hygiene. What is the skin microbiome and how is it unique? What affects it and can you get rid of it?