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Topics Afghanistan AIDS / HIV Alternative Energy Exploration Arctic Drilling Bank Bailout Blogging Border Walls Bullying in Schools Campaign Finance Reform Carbon Offsetting Economic Stimulus Package Endangered Species Executive Pay Global Warming Globalization Gun Control Immigration Restrictions Intelligent Design Iraq War Israel & the Palestinians Literacy Medicare North Korea Nuclear Power Obesity Pirates Sex Education in Schools Social Networking Sites Stem Cell Research Universal Health Care Vegetarianism War on Terror An Overview of Vegetarianism Trending Topics Intelligent Design Bullying in Schools Economic Stimulus Package Endangered Species Gun Control Immigration Restrictions Globalization Global Warming Israel & the Palestinians Executive Pay Carbon Offsetting Campaign Finance Reform Iraq War Literacy Medicare Popular Topics History of Alternative and Renewable Energy Fossil fuels have been an essential source of energy since humans first discovered coal. From Neolithic times to the eighteenth century, humans made only minor improvements to coal and wood-burning technology. The steam engines of the 1700s were the... | READ MORE > History of Literacy The earliest examples of pictorial written communication date back to 3500 B.C. (Piechota). In the centuries following the invention of written communication, only a small portion of human society learned to read and write. Those who learned to read... | READ MORE > History of Sex Education In the late nineteenth and early twentieth centuries, sex education in the United States was strongly informed by Victorian values. For instance, sex education of the time taught that sexually transmitted diseases were the result of punishment for... | READ MORE > Find More Articles Courtesy of SACRAMENTO PUBLIC LIBRARY Sign out of this library Today in History Did you know? The website encountered an unexpected error. Please try again later....