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Managing Sand in the Mississippi

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Managing Sand in the Mississippi

Click above to listen to part 4 of True Grit, wherein Molly visited Louisiana to learn what happens to a grain of sand as it travels hundreds of miles to the mouth of the Mississippi river, featuring Rudy Simoneaux, engineer manager at the Coastal Protection and Restoration Authority in Baton Rouge, Louisiana, and Elizabeth Chamberlain, post-doctoral researcher in Earth and Environmental Sciences at Vanderbilt University.

True Grit:
Part 1: Vince Beiser / World of Sand
Part 2: Pupa Gilbert / Sand Makers
Part 3: Joe Charbonnet / Engineered Sand
Part 4: Managing Sand in the Mississippi

Podcast also available on PocketCasts, SoundCloud, Spotify, Google Podcasts, Apple Podcasts, and RSS.

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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