Today's tragedy will make the demand for blood even greater. I'd encourage everyone to donate blood. Those wishing to donate blood can find addresses of local blood banks at <http://www.aabb.org/Locator/Locator.asp>. I'm sure there are other locations in Chicago besides what the above website lists. -ML -- Michael Lach Chicago Public Schools ---------------------------------------------------- This is the CPS Mathematics Teacher Discussion List. To unsubscribe, send a message to <[EMAIL PROTECTED]> For more information: <http://home.sprintmail.com/~mikelach/subscribe.html>. To search the archives: <http://www.mail-archive.com/science%40lists.csi.cps.k12.il.us/>