"That would be enough to help create new products and put dollars in the pockets of farmers, " Alexander said after a tour of Iowa State University's agriculture research labs in Ames.

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For instance, Bruce A. Babcock of Iowa State University examined the direct payments provided farmers.

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Indeed, researchers at Iowa State University and the US Department of Agriculture found that in Bt-corn the level of fumonisin is reduced by as much as 80% compared to conventional corn.

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Luke Martz, director of fundraising for Iowa State University's PrISUm Solar Car Team, said he thought the difference between the types of cells teams used had a major impact on the race.

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If you try to set up a system where people are taxed within the games, there is more chance people will game the system (so to speak) and claim unjustified losses, warns one of the authors, William Dilla, an accounting professor at Iowa State University.

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Ginder, professor of economics at Iowa State University, wrote in an article discussing the limitations to growth ethanol faced.

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There will be "watch parties" at Iowa State University, in a state the president visits Wednesday, the University of New Mexico in Albuquerque, where Mr. Obama was Tuesday morning, and campuses throughout the country.

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The University of Arizona, for example, the tuition went up 39%, Iowa State it went up 22% - you get the broad point.

BBC: NEWS | UK | Education | Higher education 'market' warning