We turn to the animal kingdom for answers. Next, we ponder fatherhood, and wonder what the future holds for men in a world where sperm can be frozen and kept for all eternity. We end quietly, in a stark sonic space with a widow struggling to keep some essence of her husband alive.
GUESTS:
Tim Birkhead, Matthew Cobb, Joanna Ellington, Nell Greenfieldboyce, Steve Jones, Kathleen LaBounty and Ari Daniel Shapiro
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