Kilaueu erupted in 1790 and is still among the most active volcanoes today. Great graphics of the volcano. Excellent history information about previous eruptions.

Loihi is believed to be one of the youngest volcanoes in the Hawaiian chain. You can view elevation maps and even take a virtual tour.

This site contains facts about the New Madrid fault and the 1811-12 earthquake in Q & A form.

This page explains how a bubble sort works along with examples and source code.

"Active Learning, Critical Thinking and Multicultural Education in Communication Ethics" discusses strategies to assist students in dealing with moral issues and to develop higher order thinking in the ethical decision-making process.

This page gives a lot of informaiton on correlation, including a section on the coefficient of correlation.

This site from the University of Hawaii describes the results of experiments to use gamma rays to sterilize rocks from outer space.