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Ground Search for Columbia Debris Widens

NASA officials expand the search for debris from the space shuttle Columbia in an effort to learn more about what caused the vehicle to break apart upon re-entry Feb. 1. At a memorial service in Houston, President Bush pays tribute to the seven astronauts who died. Hear NPR's Joe Palca and NPR's Wade Goodwyn.

Copyright 2003 NPR

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.
Wade Goodwyn is an NPR National Desk Correspondent covering Texas and the surrounding states.