NOVA and Frontline programs online

PBS has made some of its NOVA and Frontline programs available online: NOVA Online Frontline Online I watched "Life's Greatest Miracle" last night, which is about human sexual reproduction (It is a remake of the older "Miracle of Life" video). It was excellent; though I wouldn't want to show the extended bikini-babes-on-the-beach scene in class. …

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Wild World

At the middle school and high school level, biology textbooks usually have a section on biomes, which are large regions of the Earth that have distinctive communities of plants and animals. Examples of biomes include desert, tropical rainforest, temperate grasslands, and tundra. These biomes can be subdivided into smaller ecoregions, which have more specific assemblages …

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Alaska Volcano Observatory

The US Geological Survey operates five volcano observatories, which keep watch on regions of volcanic activity in the United States. The five observatories are for the Cascades, Hawaii, Yellowstone, Long Valley (in California) and Alaska. My web site of the week is for the Alaska Volcano Observatory. Here's a description of the Alaska volcanoes from …

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eNature — Online Field Guide

A good online field guide—with images and information about 5500 different species—is at eNature.com, which is produced by the National Wildlife Federation. With sections on birds, mammals, reptiles, amphibians, fish, insects, spiders, seashells, wildflowers, and more; eNature is a good site for those of us who don't have a complete shelf of field guides (I …

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