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Space Station Options Limited in Wake of Columbia

NASA Administrator Sean O'Keefe briefs a congressional committee on options for the International Space Station while the space shuttle fleet is grounded. NASA's options, he says, are limited. Meanwhile, the probe into Columbia's demise continues. Hear reports from NPR's Joe Palca and NPR's Richard Harris.

Copyright 2003 NPR

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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.
Award-winning journalist Richard Harris has reported on a wide range of topics in science, medicine and the environment since he joined NPR in 1986. In early 2014, his focus shifted from an emphasis on climate change and the environment to biomedical research.