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Understanding Mold

Many Hurricane Katrina evacuees have returned to their homes to discover infestations of mold. Michael Rinaldi, director of the Fungus Testing Laboratory at the University of Texas Health Science Center at San Antonio, explains how mold develops and how it can cause structural damage to homes.

Copyright 2005 NPR

Prior to his retirement, Robert Siegel was the senior host of NPR's award-winning evening newsmagazine All Things Considered. With 40 years of experience working in radio news, Siegel hosted the country's most-listened-to, afternoon-drive-time news radio program and reported on stories and happenings all over the globe, and reported from a variety of locations across Europe, the Middle East, North Africa, and Asia. He signed off in his final broadcast of All Things Considered on January 5, 2018.