Daniel and Kelly wonder how many Extraordinaries are planning on becoming supervillains as they discuss how to make Jupiter explode, the changing colors of children's hair, and whether or not aliens could discover electromagnetism without iron.

Listener Questions #47 - Plant Questions (featuring Dr. Manuel Lerdau)
1:09:50

How far can we go with chemical rockets?
48:40

Cyclospora (and other diarrhea-inducing parasites)
58:58