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Biofuels: Beyond Ethanol
Grades: 6, 8 to 12Subjects: Life Sciences, ChemistryFor years there's been buzz – both positive and negative – about generating ethanol fuel from corn. Meet the scientists investi...Contributor: KQEDViews: 0Favorites: 0Cell Size & Scale
Grades: 4 to 12Subjects: Cells, Health Science & Medical Technology, Health Education, Structure and Function in Living ThingsA nice Flash-based presentation of the relative size of very small objects: from coffee beans, grains of salt and rice, to HIV, ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0