This Topic in Depth explores the basics and uses of chlorine. Provided by the Environmental Protection Agency, the first site is called Chlorine Bleach (1). The page briefly describes what chlorine bleach is, what's in it, and related health and safety concerns. The next site is maintained by WebElements.com and is called Chlorine (2). Visitors learn the element's symbol, atomic weight, its uses,...

The SCI home page carries information about the organization, as well as details about its over 35 subject and geographical groups and their meeting schedules.

What's That Stuff? Well, the Web site provided by Chemical and Engineering News answers this question on many of those everyday items that are just a bit curious. For example, Silly Putty is a "dilatant compound, which means it has an inverse thixotropy--that is, as a viscous suspension or gel, it becomes solid under the influence of pressure." The site explains the history and characteristics of...