Episode 112. Topic: The psychology of an exercise high. Theme: Fitness. What is an exercise or runners high? What causes it? Are there negatives to this feeling? 

Episode 111. Topic: How do humans compare? Theme: Fitness. How athletic are humans compared to other animals? Is there anything humans excel at?

Episode 110. Topic: How does a show get to Broadway? Theme: Art. Broadway is a high budget high production theater venue in New York City. How do shows manage to snag a theater and become a Broadway show? 

Episode 109. Topic: The history of theater. Theme: Art. Theater is common form of entertainment all around the world but where does this practice originate? Do we know about ancient plays? How does culture shape or even prevent theater? 

Episode 108. Topic: Traditional animation. Theme: Art. How are animated movies made when every frame must be drawn by hand? And how has technology changed this process? 

Episode 107. Topic: Why is the Mona Lisa famous? Theme: Art. The Mona Lisa is the most widely recognized piece of art on earth. But why is that? How did theft catapult this painting to a household name? 

Episode 106. Topic: How tattoos work. Theme: Art. How can tattoo ink stay in human skin for so long? How widespread is this tradition? How does tattoo removal work?

Episode 105. Topic: Ocean acidification. Theme: Climate change. The ocean is becoming more acidic. What does this mean and how does it affect the ocean? Does it affect humans too? 

Episode 104. Topic: Hairspray and the ozone. Theme: Climate change. How did hairspray contribute to the hole in the ozone? And have the regulations on hairspray helped repair the ozone? Why do we need the ozone anyway?!

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Episode 103. Topic: The runaway greenhouse effect Theme: Climate change. How did a runaway greenhouse effect change the atmosphere of Venus? And could the same thing happen on Earth?