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Featured Folders
Forest fires have become a regular summertime occurrence in North America, sparking debate about the proper role of fire on the land. The following websites examine fires and fire ecology in different ecosystems, regions, and time periods. |
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Forest fires have become a regular summertime occurrence in North America, sparking debate about the proper role of fire on the land. The following websites examine fires and fire ecology in different ecosystems, regions, and time periods. |
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This Topic in Depth focuses on the physics of sound waves, in music and speech, and its applications in other science realms. |
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This Topic in Depth explores gyroscopes and gyroscopic effect, from introductory materials about how gyroscopes are used in bicycles to research and commercial applications to hypothetical uses, such as in Rosie the Robot from The Jetsons cartoon. |
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This Topic in Depth takes a look at organizations and educational websites concerned with reproduction in humans and other animals. In this folder, you'll find information about fertility, embryology, reproductive biology, and immunology from a variety of societies and institutions. |
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