NPR's Ailsa Chang talks with Paul Bedrosian of the U.S. Geological Survey about a new map and model of the deep continental structure underneath the United States.
Copyright 2026 NPR
Fiona Geiran
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Tyler Bartlam
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Christopher Intagliata
Christopher Intagliata is an editor at All Things Considered, where he writes news and edits interviews with politicians, musicians, restaurant owners, scientists and many of the other voices heard on the air.
Ailsa Chang
Ailsa Chang is an award-winning journalist who hosts All Things Considered along with Ari Shapiro, Audie Cornish, and Mary Louise Kelly. She landed in public radio after practicing law for a few years.
