What Would Darwin Say?

Modern medicine and biotechnology reduce the force of natural selection, and conditions that used to kill us are now being passed on to new generations. This hour, we’ll talk about how we can alter humanity’s future with Juan Enriquez, co-author of “Evolving Ourselves: How Unnatural Selection and Nonrandom Mutation are Changing Life on Earth.”

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A Future Without Cancer

The comprehensive PBS series “Cancer: The Emperor of All Maladies” covers the history of the disease. This hour, we’ll talk with the film’s director, Barak Goodman, about the past, present and future of cancer.

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