Click above to listen to part 3 of Sex Post Facto, featuring Hank Greely, law professor and ethicist at Stanford University who specializes in the ethical, legal and social implications of biomedical technologies. In this segment, he discusses how pre-implantation genetic diagnosis (PGD) might be implemented. His book is “The End of Sex and The Future of Reproduction.”

Sex Post Facto:
Part 1: Menno Schilthuizen / Sex in the City
Part 2: Matthew Webster / Asexual Bees(exual)
Part 3: Hank Greely / The End of Sex
Part 4: Hank Greely / Easy PGD

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2026 Webby Award Nominee
for our three part series on the 20th anniversary of Hurricane Katrina

Big Picture Science is an immersive radio show and podcast that reveals the unexpected connections in science.

Our Skeptic Check episodes take a critical look at extraordinary science claims and pseudoscience.

Don’t settle for a science snapshot. Get the big picture. 

Hosted By

Molly Bentley Executive Producer and Co-Host, Big Picture Science  

Seth Shostak Producer and Co-Host, Big Picture Science
Senior Astronomer, SETI Institute

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