This PowerPoint presentation from the Great Lakes Fuel Cell Education Partnership provides an introduction to the history and growth of fuel cell technology. The material includes examples of historical fuel cell use...
This video segment, adapted from a NOVA broadcast, discusses the extreme environments that caves present for living organisms, and the unique strategies for survival adopted by communities of cave-dwelling microbes that...
This collection of cartograms, or density-equalizing maps, shows the world's territories re-sized on each map according to the variable being mapped. Over 100 variables have been mapped, including population, land area,...
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