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Watch this video about demons and angels on HowStuffWorks. In Renaissance demonology, the relationship between humans and fallen angels is essentially a dialogue. Armando Maggi examines this rhetorical interaction--how demons seduce humans into... More »
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In the late 20th century, the Gatling gun was re-imagined as a new and far more lethal aircraft weapon.
John Hofmeister, President of Shell Oil Corp., discusses the role of technology in alternative fuels. Learn more about alternative fuel technology in this video.
John Hofmeister, President of Shell Oil Corp., addresses the issue of global warming. Learn more about global warming in this video.
