19. Waiter, There’s a Physicist in My Soup! (Part 1)

20. Waiter, There’s a Physicist in My Soup! (Part 2)

21. Bring on the Pain!

22. Why Cities Rock

23. Millionaires vs. Billionaires

How to Be Happy (Ep. 345)

Two (Totally Opposite) Ways to Save the Planet (Ep. 346)

Pick of the Week: The Cheeseburger Diet (Ep. 230)

Pick of the Week: The Demonization of Gluten (Ep. 304)

Pick of the Week: How to Save $1 Billion Without Even Trying (Ep. 178)