14 March 2003 Compiled by Shawn Carlson. Edited and designed by Sheldon Greaves, with additional artwork
by Brian Mansfield.

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Report: Super Science Saturday by Mark Streitman     A Flash From the Past: New Evidence Supports Moon Blast By Henry Fountain "Dinosaur-Killer" Asteroid Crater Imaged for First Time Notes From the Field The Use of Binomial Equations in Determining Frequency of Variation in Animal Populations by James Farr Science 'Toons by Brian Mansfield   Mind of a Theorist Natural Units and Intervals by George Hrabovsky Mathematics Corner Order Structure by George Hrabovsky Wanderings Wanderings by Ralph J. Coppola The Roboticist Robot Controlling DC Voltmeters. Building Robot Digital Assistant Instruments by Don Wilcher   Making Leaf Skeletons     Reserve your spot at the Citizen Science Conference in Pasadena, July 17-20. Sign up today!   Norman Sperling, What Your Astronomy Text Won't Tell You, with a forward by David Levy.   American Scientific Glassblowers Society 48th Annual Symposium, June 17 - June 21, 2003       Making a splash and more in E-Bulletin Backscatter     Published weekly by: Society for Amateur Scientists 5600 Post Rd. Suite 114-341 East Greenwich, RI 02818 401-823-7800     Copyright 2000, 2001, 2002 by the Society for Amateur Scientists, all rights reserved. Legal Notice and disclaimer