Princeton University
Strait Through: Magellan to Cook & the Pacific: Ferdinand Magellan
An interesting site that recounts Ferdinand Magellan's voyage and his goal of circumnavigating the globe. Included are portraits, drawings, and maps from the Princeton University Library.
Science Buddies
Science Buddies: Ozone Depletion
The ozone layer is important for blocking most of the harmful radiation that comes from the sun. You can find maps of the ozone layer and compare different regions of the globe for ozone coverage. Some scientists think that aerosols in...