Daniel, Kelly, and Katrine discuss what happens during menopause, why evolutionary biologists think menopause occurs, and our current knowledge of the risks of hormone therapy.

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