A screen grab from an ad by the Defend My Dividend campaign, which is funded by utilities and other companies. They don't support a proposed increase in taxes from investment income. YouTube hide caption

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Can You Tell Emotion From Faces Alone? A new study suggests that when people evaluated just facial expressions — without cues from the rest of the body — they couldn't tell if the face was showing a positive or negative emotion. Enlarge this photo to see the answers. Hillel Aviezer/The Hebrew University of Jerusalem hide caption

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A worker inspects a huge target chamber at the National Ignition Facility in California, in 2001, where beams from 192 lasers are aimed at a pellet of fusion fuel in the hopes of creating nuclear fusion. Joe McNally/Getty Images hide caption

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The National Restaurant Association says getting restaurants to focus on the food waste problem is a big challenge. Justin Sullivan/Getty Images hide caption

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Girls line up at the Bernalillo County Juvenile Detention and Youth Services Center in Albuquerque, N.M. Jenny Gold/NPR hide caption

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Col. Eric Schwartz (left), Dr. Najeeb Hanoudi (center) and Maj. Ron Cooper outside Hanoudi's home in Southfield, Mich. Emily Fox hide caption

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William Beal, standing at center, started a long-term study on seed germination in 1879. He buried 20 bottles with seeds in them for later researchers to unearth and plant. Michigan State University hide caption

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Legalized marijuana in Colorado and Washington state may open the door to a new kind of tourism. Ed Andrieski/AP hide caption

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Some people just aren't into the big Thanksgiving Day extravaganza. Stuart Monk /iStockphoto.com hide caption

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Skip Latson marks the fake opening of RHM Trust Bank. Bill Bruton hide caption

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President Obama, with daughters Sasha and Malia, at last year's turkey pardoning ceremony. Pablo Martinez Monsivais/AP hide caption

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Peter G. Peterson speaks at the Fiscal Summit in Washington, D.C., last year. The event was sponsored by the Peter G. Peterson Foundation. Jason Reed/Reuters/Landov hide caption

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Volunteers bring food to residents of homes damaged by Superstorm Sandy earlier this month in the Staten Island borough of New York City. John Moore/Getty Images hide caption

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President Obama reaches to shake hands with House Speaker John Boehner, during a meeting Friday at the White House to discuss the deficit and economy. Carolyn Kaster/AP hide caption

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Citizens vote in Los Angeles County on Nov. 6. Frederic J. Brown/AFP/Getty Images hide caption

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