Click above to listen to Part 1 of DNA is Not Destiny, featuring Scott Kelly, former military test pilot and astronaut, and author of “Infinite Wonder,” and Christopher Mason, associate professor of genetics and computational biology at Weill Cornell Medicine, discussing NASA’s study comparing the DNA of space-faring Scott with that of his Earthbound twin brother Mark.

DNA is Not Destiny:
Part 1: Mark Kelly and Christopher Mason / DNA in Space
Part 2: Carl Zimmer / Space Epigenetics
Part 3: Nicole Gladish / DNA Methylation
Part 4: Michael Snyder / Epigenetic Influence
Part 5: Carl Zimmer / Altering DNA

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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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