blue_smokey_mtns_for_ksjd_web_header.jpg
Ideas. Stories. Community.
Play Live Radio
Next Up:
0:00
0:00
Available On Air Stations
KSJD's 90.5fm and 91.1fm signals are experiencing audio dropouts during high winds. We hope to have the problem fixed soon.

Scientific Worth

Scientific research has always been one of the main arguments for developing NASA's manned space flight program and the International Space Station. But as the future of the program comes under scrutiny in the wake of the Columbia disaster, critics argue that most of the work doesn't require humans at all. NPR's Joe Palca reports.

Copyright 2003 NPR