Find out more about the ideas and life of Archimedes the Greek mathematician and scientist.

Explore here to learn about the return to the Titanic.

The Encyclopedia Brittanica's Special Exhibition on the Titanic provides historical photographs of the ship's construction and fateful maiden voyage. Each picture comes with short, easy-to-read captions.

A mass of excellent Titanic links are provided by NASA’s Ocean Planet project.

An iceberg sank the Titanic. Discover more about icebergs by searching the US Coast Guard International Ice Patrol web site for photos and videos of icebergs and the work of the Ice Patrol. See answers to frequently asked questions about icebergs and their formation in Newfoundland and Labrador.

The Chlorine Chemistry Council’s Chlorine Story provides a short history of the discovery and uses of chlorine.

How does chlorine added to drinking water kill bacteria and other harmful organisms? Why doesn't it harm us?