PBS offers this companion Web site to Ancient Creatures of the Deep, a recent NOVA documentary about the coelacanth, a fascinating living fossil. Numerous educational activities are provided, covering a range of grade levels. Students can discover how coelacanth anatomy is like that of no other animal alive (grades 3-12), learn about eight other living fossil fishes (grades 3-12), or "relive the...

Teacher and Gingko enthusiast Cor Kwant, from the Netherlands, offers this comprehensive Web site devoted to Gingko biloba. This frequently updated site covers just about everything there is to know about this "unique tree, a living fossil, unchanged since the time of the dinosaurs." Visitors may read about gingko history, propagation techniques, botanical characteristics, various uses, and much...