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'Schizophrenia gene' discovery sheds light on possible cause

'Schizophrenia gene' discovery sheds light on possible cause

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Female cadet commands respect at her high school

Female cadet commands respect at her high school

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Between Clinton and Sanders, a tough fight for Iowa women

Between Clinton and Sanders, a tough fight for Iowa women

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Cruz plays defense in final debate before Iowa

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Brooks and Dionne on GOP debate brawls

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Candidates campaign in homestretch to Iowa caucuses

Candidates campaign in homestretch to Iowa caucuses

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Drug shortages force U.S. doctors into ‘unethical corner’

Drug shortages force U.S. doctors into ‘unethical corner’

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A dance to change Denmark’s minds about refugees

A dance to change Denmark’s minds about refugees

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Ahead of Iowa caucuses, candidates prioritize voter turnout

Ahead of Iowa caucuses, candidates prioritize voter turnout

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New project will put Harvard’s colonial archives online

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A look inside the great Republican revolt

A look inside the great Republican revolt

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PBS News Hour

Will ethanol fuel caucus voters in corn country Iowa?

Ethanol took center stage in Iowa last week when Gov. Terry Branstad urged voters not to support Sen. Ted Cruz, who wants to repeal the mandate that ethanol be blended into most types of gasoline. Special correspondent David Biello of The Scientific American lays out the political stakes for candidates who oppose the Renewable Fuel Standard.
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