What can one Broadway tune reveal about the history of American race relations? In his book "Who Should Sing Ol' Man River?: The Lives of an American Song," musicologist Todd Decker explores how the meaning of "Ol' Man River" has been reshaped over time. Discover the song's surprising journey from Broadway ballad to pop anthem, dance ditty, activist anthem, and beyond. (A version of this episode was first released in 2013.)

Who Should Sing 'Ol' Man River'?

Hold That Thought brings you research and ideas from Arts & Sciences at Washington University in St. Louis. Throughout the year we select a few topics to explore and then bring together thoughtful commentary on those topics from a variety of experts and sources. Be sure to subscribe!

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Climate scientist Bronwen Konecky travels to tropical regions around the world gathering evidence of the geologic past. Using data from rain samples and sediments deep at the bottom of lakes, she is piecing together a story about Earth's climatic history – and what it can tell us about our planet's future.

Mud cores, rain gauges, and the hunt for climate data

Religious studies scholars Elaine Pagels and Laurie Maffly-Kipp discuss the Book of Revelation and how it has been interpreted across time, as well as the personal side of their writing and research.

Reading revelation

Rebecca Copeland and Laura Miller, coeditors of "Diva Nation: Female Icons from Japanese Cultural History," discuss queens, goddesses, and the nature of “diva-hood.”

Diva Nation

Ahead of the midterm elections, Steve Fazzari explores the current state of the economy and explains why widely cited unemployment and growth numbers don't give a full picture.

How good is the US economy, really?

Over thousands of years, by trial and error, humankind has learned how to produce superior materials for different types of processing. Physicist Ken Kelton talks about materials through the ages.

Who Should Sing 'Ol' Man River'?

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