McGraw Hill
Oregon State University: Alkanes and Cycloalkanes
This site is from the Organic Chemistry Online Learning Center and provides useful information on both Alkanes and Cycloalkanes. The information is not too in-depth, but a background knowledge of the subject would definitely be helpful.
University of Houston
University of Houston: Engines of Our Ingenuity: Fulton's Battery Catamaran
A description of Fulton's steamboat and its influence on subsequent military warships. Interesting, anecdotal and well-written. Includes some biographical information. (Text is the actual radio transcript of a syndicated radio broadcast...
Curated OER
Trenches on the Web: The Sinking of the Tuscania
This site from Trenches on the Web provides a detailed account of the sinking of the Tuscania by a German U-Boat. Includes images and first hand accounts of the attack. Organized into the following sections: "Background," "Quick Facts,"...
Curated OER
National Library of Medicine: Darwin's Hms Beagle
The HMS Beagle is the ship Charles Darwin sailed an his journey to study life science.