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Conrad Wolfram presentation on TED.com (filmed July 2010; posted Nov 2010). Wolfram argues that math applications are all around us, and that people in a ever-wider variety of workplaces are excited about math...but students are not. Wolfram argues that bringing computers into the math classroom would help improve math's relevancy -- and build excitement as well. Use the tag wolfram to look at his "knowledge engine," Wolfram Alpha.

WHEN a college textbook, "Principles of Biology," comes out from the Nature Publishing Group in January, one place it won't be is on the shelves of school bookstores. Enlarge This Image An interactive graphic in "Principles of Biology," an electronic textbook from Nature Publishing, teaches students about the symptoms of a stroke. Enlarge This Image An interactive graphic from Wolfram Research lets readers change the display parameters of an oil spill. That's because the book was designed to be digital-only. Students will pay not for a printed edition at a bookstore, but for permanent access on the Internet ($49).