Vitamin E has been associated with increased risk of death in some studies, but it may also delay cognitive decline in Alzheimer's disease. iStockphoto hide caption

itoggle caption iStockphoto

Chris and Sara Guerre are among a growing number of farmers who have made the choice to rent land to farm instead of buy because of increasing property values. Zac Visco for NPR hide caption

itoggle caption Zac Visco for NPR

Students at the Oakland Military Institute took several courses offered by San Jose State and the online course provider Udacity this year. The university is now scaling back its relationship with Udacity. Laura A. Oda/MCT/Landov hide caption

itoggle caption Laura A. Oda/MCT/Landov

New York City Mayor Michael Bloomberg displays a confiscated AR-15 assault rifle in East Harlem as District Attorney Cy Vance (right) looks on during a news conference in October 2012 in New York City. Mario Tama/Getty Images hide caption

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A variety of Puerto Rican rums placed on a bar in San Juan, Puerto Rico, in September 2012. A rum tax rebate that sent nearly $200 million to Puerto Rico and the Virgin Islands in 2013 is due to expire at midnight on Dec. 31. Ricardo Arduengo/AP hide caption

itoggle caption Ricardo Arduengo/AP

Judge Michael Zusman's bialys are topped with roasted onions, poppy seeds and coarse salt. Daniel Zwerdling/NPR hide caption

itoggle caption Daniel Zwerdling/NPR

NHL Winter Classic hockey game seat pads are displayed at Michigan Stadium in Ann Arbor ahead of the New Year's Day outdoor game between the Detroit Red Wings and Toronto Maple Leafs. Paul Sancya/AP hide caption

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A fire burns west of Casselton, N.D., Monday, after oil tanker cars exploded following a train derailment. No one has been reported hurt in the derailment or fire. But officials are recommending residents of the town to stay away from the potentially toxic smoke. Ken Pawluk/AP hide caption

itoggle caption Ken Pawluk/AP