25 April 2003
Hubble celebrates its 13th Birthday
3,000 Amateurs Offer NASA Photos of Columbia's Demise by John Schwartz
Science 'Toons by Brian Mansfield
Opportunities: North American Amphibian Monitoring Program
The Pleasures of Exploring Ponds by Shawn Carlson
Ultramicro-Boiling-Point Determination
Sign up for the Citizen Science Conference, July 17-20!
Mind of
a Theorist
Lengths and Times by George Hrabovsky
Mathematics
Corner
Will the Real Function Please Stand Up
by George Hrabovsky
Unsolved problems in E-Bulletin Backscatter
Contact
Information:
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Phone:
401-823-7800
E-mail: info@sas.org
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reserved.