Flies are attracted to glycerol, a chemical in beer produced during fermentation. Understanding more about the genes responsible for taste and smell in flies could help make powerful insect repellents. iStockphoto.com hide caption

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Isabella Colbdorf feeds salad to a turkey at this year's Feeding of the Turkeys ceremony in Watkins Glen, in upstate New York, on Nov. 20, 2011. Emma Jacobs/WRVO hide caption

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Narragansett and Standard Bronze heritage breed turkeys browse at a farm in Westport, Mass. Stephan Savoia/AP hide caption

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Dara Arista, 8, holds a photo of Sheila in front of the tiger's cage at the zoo in Jambi, Indonesia. Poachers had slaughtered Sheila during the night. Steve Winter/National Geographic hide caption

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The Picture Show

Photographer Captures Plight Of The Tiger

Fewer than 3,200 tigers exist in the wild. Photographer Steve Winter traveled to Asia to document their perilous situation.

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A technician holds a laboratory mouse at the Jackson Laboratory in Bar Harbor, Maine. The lab ships more than two million mice a year to qualified researchers. Robert F. Bukaty/AP hide caption

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Perhaps Scientists Like Lab Mice TOO Much

The lab mouse is the most ubiquitous animal in biomedical research, but that doesn't mean it's always the best subject for researching disease.

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A jury member feels a piece of duck foie gras during a contest of local producers and producers from southwestern France. BOB EDME/ASSOCIATED PRESS hide caption


Racing pigeons are bred to be stronger, smarter and have better endurance than normal pigeons. Patrick Skahill hide caption

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