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Animations 30 Resources Why Files Interactives feature the latest news in science, math and technology. Make rainbows, control a... DNA Microarray is a "virtual lab" of a DNA microarray experiment. Compare samples of healthy tissue and... Exploring Earth: Visualizations features over 100 animations and images that illuminate key concepts in earth science... Napoleon Interactive Battlefield Simulator tests your battle strategy. Watch video clips on the battles of Lodi, Austerlitz and... National Science Foundation  National Institutes of Health  National Science Foundation  Endowment for Humanities    See All 30 animations Resources

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