Daniel and Kelly get answers to listener questions about why we age from Dr. Venki Ramakrishnan, author of "Why We Die: The New Science of Aging and the Quest for Immortality".

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