That total has grown to 23, covering a range of scientific, mathemtical and engineering topics.

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Most business school courses focus on high-level topics like financial engineering or venture-capital funding.

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My most frequent topics include genetic engineering, pharmaceutical development, and the debunking of junk science.

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My most frequent topics include genetic engineering, pharmaceutical development, and the debunking of various manifestions of junk science.

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The topics include civil engineering, insect genetics, invasion biology, fish population dynamics, and toxic chemical exposures, among others.

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One attraction is programs that collaborate with the engineering and physics departments on topics such as betting on horse races, creating 3-D images of people and predicting the weather.

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Pacing around a room, they will talk for hours about future technologies such as voice recognition (they call their team working on it the "wreck a nice beach" group, because that's what invariably appears on the screen when someone speaks the phrase "recognize speech" into the system), then wander onto topics ranging from quantum physics to genetic engineering.

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The courses span a spectrum of topics: physics, biology, computer science, engineering, medicine, literature, sociology, poetry, business and many more.

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